Home / 12,248.31-16,882.11-9,376.05

Finding the Fourth Proportional to 12,248.31, 16,882.11 and 9,376.05

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Solution

The fourth proportional to 12,248.31, 16,882.11 and 9,376.05 is: 12,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.31 : 16,882.11 = 9,376.05 : x
  2. Step 2: Convert to fraction form
    12,248.31/16,882.11 = 9,376.05/x
  3. Step 3: Cross multiply
    12,248.31x = 16,882.11 × 9,376.05
  4. Step 4: Simplify right side
    12,248.31x = 158,287,507.47
  5. Step 5: Solve for x
    x = 158,287,507.47/12,248.31
  6. Step 6: Final answer
    x = 12,923.21

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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.