Home / 8,170.75-11,275.70-4,444.75

Finding the Fourth Proportional to 8,170.75, 11,275.70 and 4,444.75

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Solution

The fourth proportional to 8,170.75, 11,275.70 and 4,444.75 is: 6,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.75 : 11,275.70 = 4,444.75 : x
  2. Step 2: Convert to fraction form
    8,170.75/11,275.70 = 4,444.75/x
  3. Step 3: Cross multiply
    8,170.75x = 11,275.70 × 4,444.75
  4. Step 4: Simplify right side
    8,170.75x = 50,117,667.58
  5. Step 5: Solve for x
    x = 50,117,667.58/8,170.75
  6. Step 6: Final answer
    x = 6,133.79

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Half scale
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Double scale
Find fourth proportional to 8,171.75, 11,277.08 and 4,445.75
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.