Home / 10,240.10-15,363.84-3,577.58

Finding the Fourth Proportional to 10,240.10, 15,363.84 and 3,577.58

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Solution

The fourth proportional to 10,240.10, 15,363.84 and 3,577.58 is: 5,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.10 : 15,363.84 = 3,577.58 : x
  2. Step 2: Convert to fraction form
    10,240.10/15,363.84 = 3,577.58/x
  3. Step 3: Cross multiply
    10,240.10x = 15,363.84 × 3,577.58
  4. Step 4: Simplify right side
    10,240.10x = 54,965,366.71
  5. Step 5: Solve for x
    x = 54,965,366.71/10,240.10
  6. Step 6: Final answer
    x = 5,367.66

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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.