Home / 11,109.48-15,331.29-6,073.91

Finding the Fourth Proportional to 11,109.48, 15,331.29 and 6,073.91

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Solution

The fourth proportional to 11,109.48, 15,331.29 and 6,073.91 is: 8,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.48 : 15,331.29 = 6,073.91 : x
  2. Step 2: Convert to fraction form
    11,109.48/15,331.29 = 6,073.91/x
  3. Step 3: Cross multiply
    11,109.48x = 15,331.29 × 6,073.91
  4. Step 4: Simplify right side
    11,109.48x = 93,120,875.64
  5. Step 5: Solve for x
    x = 93,120,875.64/11,109.48
  6. Step 6: Final answer
    x = 8,382.11

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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.