Home / 8,318.16-12,480.21-3,572.33

Finding the Fourth Proportional to 8,318.16, 12,480.21 and 3,572.33

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Solution

The fourth proportional to 8,318.16, 12,480.21 and 3,572.33 is: 5,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.16 : 12,480.21 = 3,572.33 : x
  2. Step 2: Convert to fraction form
    8,318.16/12,480.21 = 3,572.33/x
  3. Step 3: Cross multiply
    8,318.16x = 12,480.21 × 3,572.33
  4. Step 4: Simplify right side
    8,318.16x = 44,583,366.19
  5. Step 5: Solve for x
    x = 44,583,366.19/8,318.16
  6. Step 6: Final answer
    x = 5,359.76

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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.