Home / 10,506.20-15,761.03-3,486.29

Finding the Fourth Proportional to 10,506.20, 15,761.03 and 3,486.29

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Solution

The fourth proportional to 10,506.20, 15,761.03 and 3,486.29 is: 5,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.20 : 15,761.03 = 3,486.29 : x
  2. Step 2: Convert to fraction form
    10,506.20/15,761.03 = 3,486.29/x
  3. Step 3: Cross multiply
    10,506.20x = 15,761.03 × 3,486.29
  4. Step 4: Simplify right side
    10,506.20x = 54,947,425.04
  5. Step 5: Solve for x
    x = 54,947,425.04/10,506.20
  6. Step 6: Final answer
    x = 5,230.00

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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.