Home / 12,002.08-17,993.40-5,424.88

Finding the Fourth Proportional to 12,002.08, 17,993.40 and 5,424.88

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Solution

The fourth proportional to 12,002.08, 17,993.40 and 5,424.88 is: 8,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.08 : 17,993.40 = 5,424.88 : x
  2. Step 2: Convert to fraction form
    12,002.08/17,993.40 = 5,424.88/x
  3. Step 3: Cross multiply
    12,002.08x = 17,993.40 × 5,424.88
  4. Step 4: Simplify right side
    12,002.08x = 97,612,035.79
  5. Step 5: Solve for x
    x = 97,612,035.79/12,002.08
  6. Step 6: Final answer
    x = 8,132.93

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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.