Home / 8,562.30-12,845.50-2,718.92

Finding the Fourth Proportional to 8,562.30, 12,845.50 and 2,718.92

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Solution

The fourth proportional to 8,562.30, 12,845.50 and 2,718.92 is: 4,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.30 : 12,845.50 = 2,718.92 : x
  2. Step 2: Convert to fraction form
    8,562.30/12,845.50 = 2,718.92/x
  3. Step 3: Cross multiply
    8,562.30x = 12,845.50 × 2,718.92
  4. Step 4: Simplify right side
    8,562.30x = 34,925,886.86
  5. Step 5: Solve for x
    x = 34,925,886.86/8,562.30
  6. Step 6: Final answer
    x = 4,079.03

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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.