Home / 8,363.12-12,471.60-7,327.94

Finding the Fourth Proportional to 8,363.12, 12,471.60 and 7,327.94

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Solution

The fourth proportional to 8,363.12, 12,471.60 and 7,327.94 is: 10,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.12 : 12,471.60 = 7,327.94 : x
  2. Step 2: Convert to fraction form
    8,363.12/12,471.60 = 7,327.94/x
  3. Step 3: Cross multiply
    8,363.12x = 12,471.60 × 7,327.94
  4. Step 4: Simplify right side
    8,363.12x = 91,391,099.86
  5. Step 5: Solve for x
    x = 91,391,099.86/8,363.12
  6. Step 6: Final answer
    x = 10,927.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.