Home / 10,482.74-15,724.27-2,691.38

Finding the Fourth Proportional to 10,482.74, 15,724.27 and 2,691.38

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Solution

The fourth proportional to 10,482.74, 15,724.27 and 2,691.38 is: 4,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.74 : 15,724.27 = 2,691.38 : x
  2. Step 2: Convert to fraction form
    10,482.74/15,724.27 = 2,691.38/x
  3. Step 3: Cross multiply
    10,482.74x = 15,724.27 × 2,691.38
  4. Step 4: Simplify right side
    10,482.74x = 42,319,985.79
  5. Step 5: Solve for x
    x = 42,319,985.79/10,482.74
  6. Step 6: Final answer
    x = 4,037.11

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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.