Home / 10,956.52-15,119.22-6,239.92

Finding the Fourth Proportional to 10,956.52, 15,119.22 and 6,239.92

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Solution

The fourth proportional to 10,956.52, 15,119.22 and 6,239.92 is: 8,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.52 : 15,119.22 = 6,239.92 : x
  2. Step 2: Convert to fraction form
    10,956.52/15,119.22 = 6,239.92/x
  3. Step 3: Cross multiply
    10,956.52x = 15,119.22 × 6,239.92
  4. Step 4: Simplify right side
    10,956.52x = 94,342,723.26
  5. Step 5: Solve for x
    x = 94,342,723.26/10,956.52
  6. Step 6: Final answer
    x = 8,610.65

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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.