Home / 10,480.48-15,721.18-3,461.11

Finding the Fourth Proportional to 10,480.48, 15,721.18 and 3,461.11

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Solution

The fourth proportional to 10,480.48, 15,721.18 and 3,461.11 is: 5,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.48 : 15,721.18 = 3,461.11 : x
  2. Step 2: Convert to fraction form
    10,480.48/15,721.18 = 3,461.11/x
  3. Step 3: Cross multiply
    10,480.48x = 15,721.18 × 3,461.11
  4. Step 4: Simplify right side
    10,480.48x = 54,412,685.35
  5. Step 5: Solve for x
    x = 54,412,685.35/10,480.48
  6. Step 6: Final answer
    x = 5,191.81

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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.