Home / 11,207.76-15,462.66-7,432.75

Finding the Fourth Proportional to 11,207.76, 15,462.66 and 7,432.75

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Solution

The fourth proportional to 11,207.76, 15,462.66 and 7,432.75 is: 10,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.76 : 15,462.66 = 7,432.75 : x
  2. Step 2: Convert to fraction form
    11,207.76/15,462.66 = 7,432.75/x
  3. Step 3: Cross multiply
    11,207.76x = 15,462.66 × 7,432.75
  4. Step 4: Simplify right side
    11,207.76x = 114,930,086.12
  5. Step 5: Solve for x
    x = 114,930,086.12/11,207.76
  6. Step 6: Final answer
    x = 10,254.51

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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.