Home / 7,374.30-11,119.07-6,452.70

Finding the Fourth Proportional to 7,374.30, 11,119.07 and 6,452.70

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Solution

The fourth proportional to 7,374.30, 11,119.07 and 6,452.70 is: 9,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.30 : 11,119.07 = 6,452.70 : x
  2. Step 2: Convert to fraction form
    7,374.30/11,119.07 = 6,452.70/x
  3. Step 3: Cross multiply
    7,374.30x = 11,119.07 × 6,452.70
  4. Step 4: Simplify right side
    7,374.30x = 71,747,990.73
  5. Step 5: Solve for x
    x = 71,747,990.73/7,374.30
  6. Step 6: Final answer
    x = 9,729.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.