Home / 10,040.46-15,074.49-5,113.42

Finding the Fourth Proportional to 10,040.46, 15,074.49 and 5,113.42

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Solution

The fourth proportional to 10,040.46, 15,074.49 and 5,113.42 is: 7,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.46 : 15,074.49 = 5,113.42 : x
  2. Step 2: Convert to fraction form
    10,040.46/15,074.49 = 5,113.42/x
  3. Step 3: Cross multiply
    10,040.46x = 15,074.49 × 5,113.42
  4. Step 4: Simplify right side
    10,040.46x = 77,082,198.66
  5. Step 5: Solve for x
    x = 77,082,198.66/10,040.46
  6. Step 6: Final answer
    x = 7,677.16

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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.