Home / 7,167.18-9,891.15-4,023.39

Finding the Fourth Proportional to 7,167.18, 9,891.15 and 4,023.39

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Solution

The fourth proportional to 7,167.18, 9,891.15 and 4,023.39 is: 5,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.18 : 9,891.15 = 4,023.39 : x
  2. Step 2: Convert to fraction form
    7,167.18/9,891.15 = 4,023.39/x
  3. Step 3: Cross multiply
    7,167.18x = 9,891.15 × 4,023.39
  4. Step 4: Simplify right side
    7,167.18x = 39,795,954.00
  5. Step 5: Solve for x
    x = 39,795,954.00/7,167.18
  6. Step 6: Final answer
    x = 5,552.53

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1.5x scale

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.