Home / 12,631.73-17,432.76-6,966.99

Finding the Fourth Proportional to 12,631.73, 17,432.76 and 6,966.99

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Solution

The fourth proportional to 12,631.73, 17,432.76 and 6,966.99 is: 9,614.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.73 : 17,432.76 = 6,966.99 : x
  2. Step 2: Convert to fraction form
    12,631.73/17,432.76 = 6,966.99/x
  3. Step 3: Cross multiply
    12,631.73x = 17,432.76 × 6,966.99
  4. Step 4: Simplify right side
    12,631.73x = 121,453,864.59
  5. Step 5: Solve for x
    x = 121,453,864.59/12,631.73
  6. Step 6: Final answer
    x = 9,614.99

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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.