Home / 10,982.74-15,156.15-5,946.95

Finding the Fourth Proportional to 10,982.74, 15,156.15 and 5,946.95

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Solution

The fourth proportional to 10,982.74, 15,156.15 and 5,946.95 is: 8,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.74 : 15,156.15 = 5,946.95 : x
  2. Step 2: Convert to fraction form
    10,982.74/15,156.15 = 5,946.95/x
  3. Step 3: Cross multiply
    10,982.74x = 15,156.15 × 5,946.95
  4. Step 4: Simplify right side
    10,982.74x = 90,132,904.13
  5. Step 5: Solve for x
    x = 90,132,904.13/10,982.74
  6. Step 6: Final answer
    x = 8,206.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.