Home / 10,393.80-15,592.76-3,820.04

Finding the Fourth Proportional to 10,393.80, 15,592.76 and 3,820.04

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Solution

The fourth proportional to 10,393.80, 15,592.76 and 3,820.04 is: 5,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.80 : 15,592.76 = 3,820.04 : x
  2. Step 2: Convert to fraction form
    10,393.80/15,592.76 = 3,820.04/x
  3. Step 3: Cross multiply
    10,393.80x = 15,592.76 × 3,820.04
  4. Step 4: Simplify right side
    10,393.80x = 59,564,966.91
  5. Step 5: Solve for x
    x = 59,564,966.91/10,393.80
  6. Step 6: Final answer
    x = 5,730.82

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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.