Home / 8,225.15-11,349.05-4,687.61

Finding the Fourth Proportional to 8,225.15, 11,349.05 and 4,687.61

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Solution

The fourth proportional to 8,225.15, 11,349.05 and 4,687.61 is: 6,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.15 : 11,349.05 = 4,687.61 : x
  2. Step 2: Convert to fraction form
    8,225.15/11,349.05 = 4,687.61/x
  3. Step 3: Cross multiply
    8,225.15x = 11,349.05 × 4,687.61
  4. Step 4: Simplify right side
    8,225.15x = 53,199,840.09
  5. Step 5: Solve for x
    x = 53,199,840.09/8,225.15
  6. Step 6: Final answer
    x = 6,467.95

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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.