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Finding the Fourth Proportional to 8,883.74, 12,259.42 and 4,904.75

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Solution

The fourth proportional to 8,883.74, 12,259.42 and 4,904.75 is: 6,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.74 : 12,259.42 = 4,904.75 : x
  2. Step 2: Convert to fraction form
    8,883.74/12,259.42 = 4,904.75/x
  3. Step 3: Cross multiply
    8,883.74x = 12,259.42 × 4,904.75
  4. Step 4: Simplify right side
    8,883.74x = 60,129,408.63
  5. Step 5: Solve for x
    x = 60,129,408.63/8,883.74
  6. Step 6: Final answer
    x = 6,768.48

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Find fourth proportional to 4,441.87, 6,129.71 and 2,452.38
Half scale
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Double scale
Find fourth proportional to 8,884.74, 12,260.80 and 4,905.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.