Home / 10,929.18-15,082.19-6,213.46

Finding the Fourth Proportional to 10,929.18, 15,082.19 and 6,213.46

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Solution

The fourth proportional to 10,929.18, 15,082.19 and 6,213.46 is: 8,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.18 : 15,082.19 = 6,213.46 : x
  2. Step 2: Convert to fraction form
    10,929.18/15,082.19 = 6,213.46/x
  3. Step 3: Cross multiply
    10,929.18x = 15,082.19 × 6,213.46
  4. Step 4: Simplify right side
    10,929.18x = 93,712,584.28
  5. Step 5: Solve for x
    x = 93,712,584.28/10,929.18
  6. Step 6: Final answer
    x = 8,574.53

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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.