Home / 10,008.36-15,013.22-3,439.16

Finding the Fourth Proportional to 10,008.36, 15,013.22 and 3,439.16

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Solution

The fourth proportional to 10,008.36, 15,013.22 and 3,439.16 is: 5,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.36 : 15,013.22 = 3,439.16 : x
  2. Step 2: Convert to fraction form
    10,008.36/15,013.22 = 3,439.16/x
  3. Step 3: Cross multiply
    10,008.36x = 15,013.22 × 3,439.16
  4. Step 4: Simplify right side
    10,008.36x = 51,632,829.73
  5. Step 5: Solve for x
    x = 51,632,829.73/10,008.36
  6. Step 6: Final answer
    x = 5,158.97

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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.