Home / 10,087.92-15,107.18-8,322.12

Finding the Fourth Proportional to 10,087.92, 15,107.18 and 8,322.12

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Solution

The fourth proportional to 10,087.92, 15,107.18 and 8,322.12 is: 12,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.92 : 15,107.18 = 8,322.12 : x
  2. Step 2: Convert to fraction form
    10,087.92/15,107.18 = 8,322.12/x
  3. Step 3: Cross multiply
    10,087.92x = 15,107.18 × 8,322.12
  4. Step 4: Simplify right side
    10,087.92x = 125,723,723.21
  5. Step 5: Solve for x
    x = 125,723,723.21/10,087.92
  6. Step 6: Final answer
    x = 12,462.80

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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.