Home / 8,731.76-12,049.58-4,752.77

Finding the Fourth Proportional to 8,731.76, 12,049.58 and 4,752.77

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Solution

The fourth proportional to 8,731.76, 12,049.58 and 4,752.77 is: 6,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.76 : 12,049.58 = 4,752.77 : x
  2. Step 2: Convert to fraction form
    8,731.76/12,049.58 = 4,752.77/x
  3. Step 3: Cross multiply
    8,731.76x = 12,049.58 × 4,752.77
  4. Step 4: Simplify right side
    8,731.76x = 57,268,833.97
  5. Step 5: Solve for x
    x = 57,268,833.97/8,731.76
  6. Step 6: Final answer
    x = 6,558.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.