Home / 10,156.60-15,234.90-7,046.20

Finding the Fourth Proportional to 10,156.60, 15,234.90 and 7,046.20

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Solution

The fourth proportional to 10,156.60, 15,234.90 and 7,046.20 is: 10,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.60 : 15,234.90 = 7,046.20 : x
  2. Step 2: Convert to fraction form
    10,156.60/15,234.90 = 7,046.20/x
  3. Step 3: Cross multiply
    10,156.60x = 15,234.90 × 7,046.20
  4. Step 4: Simplify right side
    10,156.60x = 107,348,152.38
  5. Step 5: Solve for x
    x = 107,348,152.38/10,156.60
  6. Step 6: Final answer
    x = 10,569.30

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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.