Home / 10,498.61-15,751.25-3,103.11

Finding the Fourth Proportional to 10,498.61, 15,751.25 and 3,103.11

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Solution

The fourth proportional to 10,498.61, 15,751.25 and 3,103.11 is: 4,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,498.61 : 15,751.25 = 3,103.11 : x
  2. Step 2: Convert to fraction form
    10,498.61/15,751.25 = 3,103.11/x
  3. Step 3: Cross multiply
    10,498.61x = 15,751.25 × 3,103.11
  4. Step 4: Simplify right side
    10,498.61x = 48,877,861.39
  5. Step 5: Solve for x
    x = 48,877,861.39/10,498.61
  6. Step 6: Final answer
    x = 4,655.65

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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.