Home / 8,776.08-12,105.45-6,122.52

Finding the Fourth Proportional to 8,776.08, 12,105.45 and 6,122.52

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Solution

The fourth proportional to 8,776.08, 12,105.45 and 6,122.52 is: 8,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.08 : 12,105.45 = 6,122.52 : x
  2. Step 2: Convert to fraction form
    8,776.08/12,105.45 = 6,122.52/x
  3. Step 3: Cross multiply
    8,776.08x = 12,105.45 × 6,122.52
  4. Step 4: Simplify right side
    8,776.08x = 74,115,859.73
  5. Step 5: Solve for x
    x = 74,115,859.73/8,776.08
  6. Step 6: Final answer
    x = 8,445.21

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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.