Home / 7,948.18-11,884.31-7,251.06

Finding the Fourth Proportional to 7,948.18, 11,884.31 and 7,251.06

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Solution

The fourth proportional to 7,948.18, 11,884.31 and 7,251.06 is: 10,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.18 : 11,884.31 = 7,251.06 : x
  2. Step 2: Convert to fraction form
    7,948.18/11,884.31 = 7,251.06/x
  3. Step 3: Cross multiply
    7,948.18x = 11,884.31 × 7,251.06
  4. Step 4: Simplify right side
    7,948.18x = 86,173,808.61
  5. Step 5: Solve for x
    x = 86,173,808.61/7,948.18
  6. Step 6: Final answer
    x = 10,841.96

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1.5x scale

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.