Home / 11,109.56-15,331.28-6,073.88

Finding the Fourth Proportional to 11,109.56, 15,331.28 and 6,073.88

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Solution

The fourth proportional to 11,109.56, 15,331.28 and 6,073.88 is: 8,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.56 : 15,331.28 = 6,073.88 : x
  2. Step 2: Convert to fraction form
    11,109.56/15,331.28 = 6,073.88/x
  3. Step 3: Cross multiply
    11,109.56x = 15,331.28 × 6,073.88
  4. Step 4: Simplify right side
    11,109.56x = 93,120,354.97
  5. Step 5: Solve for x
    x = 93,120,354.97/11,109.56
  6. Step 6: Final answer
    x = 8,382.00

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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.