Home / 8,650.54-11,937.75-4,671.65

Finding the Fourth Proportional to 8,650.54, 11,937.75 and 4,671.65

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Solution

The fourth proportional to 8,650.54, 11,937.75 and 4,671.65 is: 6,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.54 : 11,937.75 = 4,671.65 : x
  2. Step 2: Convert to fraction form
    8,650.54/11,937.75 = 4,671.65/x
  3. Step 3: Cross multiply
    8,650.54x = 11,937.75 × 4,671.65
  4. Step 4: Simplify right side
    8,650.54x = 55,769,025.47
  5. Step 5: Solve for x
    x = 55,769,025.47/8,650.54
  6. Step 6: Final answer
    x = 6,446.88

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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.