Home / 11,052.38-15,200.01-8,787.62

Finding the Fourth Proportional to 11,052.38, 15,200.01 and 8,787.62

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Solution

The fourth proportional to 11,052.38, 15,200.01 and 8,787.62 is: 12,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.38 : 15,200.01 = 8,787.62 : x
  2. Step 2: Convert to fraction form
    11,052.38/15,200.01 = 8,787.62/x
  3. Step 3: Cross multiply
    11,052.38x = 15,200.01 × 8,787.62
  4. Step 4: Simplify right side
    11,052.38x = 133,571,835.88
  5. Step 5: Solve for x
    x = 133,571,835.88/11,052.38
  6. Step 6: Final answer
    x = 12,085.35

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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.