Home / 8,827.15-13,240.68-4,147.14

Finding the Fourth Proportional to 8,827.15, 13,240.68 and 4,147.14

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Solution

The fourth proportional to 8,827.15, 13,240.68 and 4,147.14 is: 6,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.15 : 13,240.68 = 4,147.14 : x
  2. Step 2: Convert to fraction form
    8,827.15/13,240.68 = 4,147.14/x
  3. Step 3: Cross multiply
    8,827.15x = 13,240.68 × 4,147.14
  4. Step 4: Simplify right side
    8,827.15x = 54,910,953.66
  5. Step 5: Solve for x
    x = 54,910,953.66/8,827.15
  6. Step 6: Final answer
    x = 6,220.69

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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.