Home / 11,931.03-17,869.28-5,695.43

Finding the Fourth Proportional to 11,931.03, 17,869.28 and 5,695.43

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Solution

The fourth proportional to 11,931.03, 17,869.28 and 5,695.43 is: 8,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.03 : 17,869.28 = 5,695.43 : x
  2. Step 2: Convert to fraction form
    11,931.03/17,869.28 = 5,695.43/x
  3. Step 3: Cross multiply
    11,931.03x = 17,869.28 × 5,695.43
  4. Step 4: Simplify right side
    11,931.03x = 101,773,115.57
  5. Step 5: Solve for x
    x = 101,773,115.57/11,931.03
  6. Step 6: Final answer
    x = 8,530.12

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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.