Home / 8,648.95-11,929.13-5,961.04

Finding the Fourth Proportional to 8,648.95, 11,929.13 and 5,961.04

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Solution

The fourth proportional to 8,648.95, 11,929.13 and 5,961.04 is: 8,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.95 : 11,929.13 = 5,961.04 : x
  2. Step 2: Convert to fraction form
    8,648.95/11,929.13 = 5,961.04/x
  3. Step 3: Cross multiply
    8,648.95x = 11,929.13 × 5,961.04
  4. Step 4: Simplify right side
    8,648.95x = 71,110,021.10
  5. Step 5: Solve for x
    x = 71,110,021.10/8,648.95
  6. Step 6: Final answer
    x = 8,221.81

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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.