Home / 7,452.40-10,269.48-5,321.92

Finding the Fourth Proportional to 7,452.40, 10,269.48 and 5,321.92

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Solution

The fourth proportional to 7,452.40, 10,269.48 and 5,321.92 is: 7,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.40 : 10,269.48 = 5,321.92 : x
  2. Step 2: Convert to fraction form
    7,452.40/10,269.48 = 5,321.92/x
  3. Step 3: Cross multiply
    7,452.40x = 10,269.48 × 5,321.92
  4. Step 4: Simplify right side
    7,452.40x = 54,653,351.00
  5. Step 5: Solve for x
    x = 54,653,351.00/7,452.40
  6. Step 6: Final answer
    x = 7,333.66

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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.