Home / 7,248.12-10,002.87-4,104.42

Finding the Fourth Proportional to 7,248.12, 10,002.87 and 4,104.42

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Solution

The fourth proportional to 7,248.12, 10,002.87 and 4,104.42 is: 5,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.12 : 10,002.87 = 4,104.42 : x
  2. Step 2: Convert to fraction form
    7,248.12/10,002.87 = 4,104.42/x
  3. Step 3: Cross multiply
    7,248.12x = 10,002.87 × 4,104.42
  4. Step 4: Simplify right side
    7,248.12x = 41,055,979.69
  5. Step 5: Solve for x
    x = 41,055,979.69/7,248.12
  6. Step 6: Final answer
    x = 5,664.36

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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.