Home / 11,248.32-16,872.66-5,085.12

Finding the Fourth Proportional to 11,248.32, 16,872.66 and 5,085.12

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Solution

The fourth proportional to 11,248.32, 16,872.66 and 5,085.12 is: 7,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.32 : 16,872.66 = 5,085.12 : x
  2. Step 2: Convert to fraction form
    11,248.32/16,872.66 = 5,085.12/x
  3. Step 3: Cross multiply
    11,248.32x = 16,872.66 × 5,085.12
  4. Step 4: Simplify right side
    11,248.32x = 85,799,500.82
  5. Step 5: Solve for x
    x = 85,799,500.82/11,248.32
  6. Step 6: Final answer
    x = 7,627.76

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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.