Home / 11,691.32-16,132.01-11,100.24

Finding the Fourth Proportional to 11,691.32, 16,132.01 and 11,100.24

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Solution

The fourth proportional to 11,691.32, 16,132.01 and 11,100.24 is: 15,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.32 : 16,132.01 = 11,100.24 : x
  2. Step 2: Convert to fraction form
    11,691.32/16,132.01 = 11,100.24/x
  3. Step 3: Cross multiply
    11,691.32x = 16,132.01 × 11,100.24
  4. Step 4: Simplify right side
    11,691.32x = 179,069,127.18
  5. Step 5: Solve for x
    x = 179,069,127.18/11,691.32
  6. Step 6: Final answer
    x = 15,316.42

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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.