Home / 10,402.13-15,582.56-4,847.82

Finding the Fourth Proportional to 10,402.13, 15,582.56 and 4,847.82

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Solution

The fourth proportional to 10,402.13, 15,582.56 and 4,847.82 is: 7,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.13 : 15,582.56 = 4,847.82 : x
  2. Step 2: Convert to fraction form
    10,402.13/15,582.56 = 4,847.82/x
  3. Step 3: Cross multiply
    10,402.13x = 15,582.56 × 4,847.82
  4. Step 4: Simplify right side
    10,402.13x = 75,541,421.78
  5. Step 5: Solve for x
    x = 75,541,421.78/10,402.13
  6. Step 6: Final answer
    x = 7,262.11

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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.