Home / 10,482.82-15,720.89-3,461.52

Finding the Fourth Proportional to 10,482.82, 15,720.89 and 3,461.52

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Solution

The fourth proportional to 10,482.82, 15,720.89 and 3,461.52 is: 5,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.82 : 15,720.89 = 3,461.52 : x
  2. Step 2: Convert to fraction form
    10,482.82/15,720.89 = 3,461.52/x
  3. Step 3: Cross multiply
    10,482.82x = 15,720.89 × 3,461.52
  4. Step 4: Simplify right side
    10,482.82x = 54,418,175.15
  5. Step 5: Solve for x
    x = 54,418,175.15/10,482.82
  6. Step 6: Final answer
    x = 5,191.18

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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.