Home / 8,158.24-12,237.36-6,715.36

Finding the Fourth Proportional to 8,158.24, 12,237.36 and 6,715.36

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Solution

The fourth proportional to 8,158.24, 12,237.36 and 6,715.36 is: 10,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.24 : 12,237.36 = 6,715.36 : x
  2. Step 2: Convert to fraction form
    8,158.24/12,237.36 = 6,715.36/x
  3. Step 3: Cross multiply
    8,158.24x = 12,237.36 × 6,715.36
  4. Step 4: Simplify right side
    8,158.24x = 82,178,277.85
  5. Step 5: Solve for x
    x = 82,178,277.85/8,158.24
  6. Step 6: Final answer
    x = 10,073.04

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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.