Home / 12,541.90-18,787.28-5,948.06

Finding the Fourth Proportional to 12,541.90, 18,787.28 and 5,948.06

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Solution

The fourth proportional to 12,541.90, 18,787.28 and 5,948.06 is: 8,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.90 : 18,787.28 = 5,948.06 : x
  2. Step 2: Convert to fraction form
    12,541.90/18,787.28 = 5,948.06/x
  3. Step 3: Cross multiply
    12,541.90x = 18,787.28 × 5,948.06
  4. Step 4: Simplify right side
    12,541.90x = 111,747,868.68
  5. Step 5: Solve for x
    x = 111,747,868.68/12,541.90
  6. Step 6: Final answer
    x = 8,909.96

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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.