Home / 8,360.73-12,516.39-5,577.78

Finding the Fourth Proportional to 8,360.73, 12,516.39 and 5,577.78

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Solution

The fourth proportional to 8,360.73, 12,516.39 and 5,577.78 is: 8,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.73 : 12,516.39 = 5,577.78 : x
  2. Step 2: Convert to fraction form
    8,360.73/12,516.39 = 5,577.78/x
  3. Step 3: Cross multiply
    8,360.73x = 12,516.39 × 5,577.78
  4. Step 4: Simplify right side
    8,360.73x = 69,813,669.81
  5. Step 5: Solve for x
    x = 69,813,669.81/8,360.73
  6. Step 6: Final answer
    x = 8,350.19

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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.