Home / 10,251.18-15,376.77-6,787.62

Finding the Fourth Proportional to 10,251.18, 15,376.77 and 6,787.62

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Solution

The fourth proportional to 10,251.18, 15,376.77 and 6,787.62 is: 10,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.18 : 15,376.77 = 6,787.62 : x
  2. Step 2: Convert to fraction form
    10,251.18/15,376.77 = 6,787.62/x
  3. Step 3: Cross multiply
    10,251.18x = 15,376.77 × 6,787.62
  4. Step 4: Simplify right side
    10,251.18x = 104,371,671.59
  5. Step 5: Solve for x
    x = 104,371,671.59/10,251.18
  6. Step 6: Final answer
    x = 10,181.43

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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.