Home / 11,109.99-15,331.17-6,073.28

Finding the Fourth Proportional to 11,109.99, 15,331.17 and 6,073.28

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Solution

The fourth proportional to 11,109.99, 15,331.17 and 6,073.28 is: 8,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.99 : 15,331.17 = 6,073.28 : x
  2. Step 2: Convert to fraction form
    11,109.99/15,331.17 = 6,073.28/x
  3. Step 3: Cross multiply
    11,109.99x = 15,331.17 × 6,073.28
  4. Step 4: Simplify right side
    11,109.99x = 93,110,491.75
  5. Step 5: Solve for x
    x = 93,110,491.75/11,109.99
  6. Step 6: Final answer
    x = 8,380.79

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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.