Home / 10,218.44-15,358.24-8,474.92

Finding the Fourth Proportional to 10,218.44, 15,358.24 and 8,474.92

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Solution

The fourth proportional to 10,218.44, 15,358.24 and 8,474.92 is: 12,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.44 : 15,358.24 = 8,474.92 : x
  2. Step 2: Convert to fraction form
    10,218.44/15,358.24 = 8,474.92/x
  3. Step 3: Cross multiply
    10,218.44x = 15,358.24 × 8,474.92
  4. Step 4: Simplify right side
    10,218.44x = 130,159,855.34
  5. Step 5: Solve for x
    x = 130,159,855.34/10,218.44
  6. Step 6: Final answer
    x = 12,737.74

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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.