Home / 11,531.60-17,302.20-5,688.28

Finding the Fourth Proportional to 11,531.60, 17,302.20 and 5,688.28

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Solution

The fourth proportional to 11,531.60, 17,302.20 and 5,688.28 is: 8,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.60 : 17,302.20 = 5,688.28 : x
  2. Step 2: Convert to fraction form
    11,531.60/17,302.20 = 5,688.28/x
  3. Step 3: Cross multiply
    11,531.60x = 17,302.20 × 5,688.28
  4. Step 4: Simplify right side
    11,531.60x = 98,419,758.22
  5. Step 5: Solve for x
    x = 98,419,758.22/11,531.60
  6. Step 6: Final answer
    x = 8,534.79

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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.