Home / 8,116.81-11,201.11-4,580.03

Finding the Fourth Proportional to 8,116.81, 11,201.11 and 4,580.03

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Solution

The fourth proportional to 8,116.81, 11,201.11 and 4,580.03 is: 6,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.81 : 11,201.11 = 4,580.03 : x
  2. Step 2: Convert to fraction form
    8,116.81/11,201.11 = 4,580.03/x
  3. Step 3: Cross multiply
    8,116.81x = 11,201.11 × 4,580.03
  4. Step 4: Simplify right side
    8,116.81x = 51,301,436.39
  5. Step 5: Solve for x
    x = 51,301,436.39/8,116.81
  6. Step 6: Final answer
    x = 6,320.40

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Find fourth proportional to 4,058.40, 5,600.55 and 2,290.02
Half scale
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Double scale
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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.