Home / 11,254.38-15,531.04-6,538.96

Finding the Fourth Proportional to 11,254.38, 15,531.04 and 6,538.96

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Solution

The fourth proportional to 11,254.38, 15,531.04 and 6,538.96 is: 9,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.38 : 15,531.04 = 6,538.96 : x
  2. Step 2: Convert to fraction form
    11,254.38/15,531.04 = 6,538.96/x
  3. Step 3: Cross multiply
    11,254.38x = 15,531.04 × 6,538.96
  4. Step 4: Simplify right side
    11,254.38x = 101,556,849.32
  5. Step 5: Solve for x
    x = 101,556,849.32/11,254.38
  6. Step 6: Final answer
    x = 9,023.76

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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.