Home / 11,663.28-17,500.08-6,115.29

Finding the Fourth Proportional to 11,663.28, 17,500.08 and 6,115.29

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Solution

The fourth proportional to 11,663.28, 17,500.08 and 6,115.29 is: 9,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.28 : 17,500.08 = 6,115.29 : x
  2. Step 2: Convert to fraction form
    11,663.28/17,500.08 = 6,115.29/x
  3. Step 3: Cross multiply
    11,663.28x = 17,500.08 × 6,115.29
  4. Step 4: Simplify right side
    11,663.28x = 107,018,064.22
  5. Step 5: Solve for x
    x = 107,018,064.22/11,663.28
  6. Step 6: Final answer
    x = 9,175.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.