Home / 8,407.38-12,612.46-2,562.63

Finding the Fourth Proportional to 8,407.38, 12,612.46 and 2,562.63

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Solution

The fourth proportional to 8,407.38, 12,612.46 and 2,562.63 is: 3,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.38 : 12,612.46 = 2,562.63 : x
  2. Step 2: Convert to fraction form
    8,407.38/12,612.46 = 2,562.63/x
  3. Step 3: Cross multiply
    8,407.38x = 12,612.46 × 2,562.63
  4. Step 4: Simplify right side
    8,407.38x = 32,321,068.37
  5. Step 5: Solve for x
    x = 32,321,068.37/8,407.38
  6. Step 6: Final answer
    x = 3,844.37

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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.