Home / 8,162.08-12,239.47-5,037.30

Finding the Fourth Proportional to 8,162.08, 12,239.47 and 5,037.30

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Solution

The fourth proportional to 8,162.08, 12,239.47 and 5,037.30 is: 7,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.08 : 12,239.47 = 5,037.30 : x
  2. Step 2: Convert to fraction form
    8,162.08/12,239.47 = 5,037.30/x
  3. Step 3: Cross multiply
    8,162.08x = 12,239.47 × 5,037.30
  4. Step 4: Simplify right side
    8,162.08x = 61,653,882.23
  5. Step 5: Solve for x
    x = 61,653,882.23/8,162.08
  6. Step 6: Final answer
    x = 7,553.70

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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.