Home / 8,950.24-12,346.36-8,316.70

Finding the Fourth Proportional to 8,950.24, 12,346.36 and 8,316.70

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Solution

The fourth proportional to 8,950.24, 12,346.36 and 8,316.70 is: 11,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.24 : 12,346.36 = 8,316.70 : x
  2. Step 2: Convert to fraction form
    8,950.24/12,346.36 = 8,316.70/x
  3. Step 3: Cross multiply
    8,950.24x = 12,346.36 × 8,316.70
  4. Step 4: Simplify right side
    8,950.24x = 102,680,972.21
  5. Step 5: Solve for x
    x = 102,680,972.21/8,950.24
  6. Step 6: Final answer
    x = 11,472.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.