Home / 8,360.93-12,541.39-3,432.89

Finding the Fourth Proportional to 8,360.93, 12,541.39 and 3,432.89

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Solution

The fourth proportional to 8,360.93, 12,541.39 and 3,432.89 is: 5,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.93 : 12,541.39 = 3,432.89 : x
  2. Step 2: Convert to fraction form
    8,360.93/12,541.39 = 3,432.89/x
  3. Step 3: Cross multiply
    8,360.93x = 12,541.39 × 3,432.89
  4. Step 4: Simplify right side
    8,360.93x = 43,053,141.03
  5. Step 5: Solve for x
    x = 43,053,141.03/8,360.93
  6. Step 6: Final answer
    x = 5,149.33

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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.