Home / 8,013.12-12,025.88-5,239.04

Finding the Fourth Proportional to 8,013.12, 12,025.88 and 5,239.04

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Solution

The fourth proportional to 8,013.12, 12,025.88 and 5,239.04 is: 7,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.12 : 12,025.88 = 5,239.04 : x
  2. Step 2: Convert to fraction form
    8,013.12/12,025.88 = 5,239.04/x
  3. Step 3: Cross multiply
    8,013.12x = 12,025.88 × 5,239.04
  4. Step 4: Simplify right side
    8,013.12x = 63,004,066.36
  5. Step 5: Solve for x
    x = 63,004,066.36/8,013.12
  6. Step 6: Final answer
    x = 7,862.61

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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.