Home / 12,231.18-16,882.98-7,195.14

Finding the Fourth Proportional to 12,231.18, 16,882.98 and 7,195.14

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Solution

The fourth proportional to 12,231.18, 16,882.98 and 7,195.14 is: 9,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.18 : 16,882.98 = 7,195.14 : x
  2. Step 2: Convert to fraction form
    12,231.18/16,882.98 = 7,195.14/x
  3. Step 3: Cross multiply
    12,231.18x = 16,882.98 × 7,195.14
  4. Step 4: Simplify right side
    12,231.18x = 121,475,404.72
  5. Step 5: Solve for x
    x = 121,475,404.72/12,231.18
  6. Step 6: Final answer
    x = 9,931.62

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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.