Home / 8,542.42-11,787.36-5,006.74

Finding the Fourth Proportional to 8,542.42, 11,787.36 and 5,006.74

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Solution

The fourth proportional to 8,542.42, 11,787.36 and 5,006.74 is: 6,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.42 : 11,787.36 = 5,006.74 : x
  2. Step 2: Convert to fraction form
    8,542.42/11,787.36 = 5,006.74/x
  3. Step 3: Cross multiply
    8,542.42x = 11,787.36 × 5,006.74
  4. Step 4: Simplify right side
    8,542.42x = 59,016,246.81
  5. Step 5: Solve for x
    x = 59,016,246.81/8,542.42
  6. Step 6: Final answer
    x = 6,908.61

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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.