Home / 8,832.10-12,176.29-6,669.20

Finding the Fourth Proportional to 8,832.10, 12,176.29 and 6,669.20

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Solution

The fourth proportional to 8,832.10, 12,176.29 and 6,669.20 is: 9,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.10 : 12,176.29 = 6,669.20 : x
  2. Step 2: Convert to fraction form
    8,832.10/12,176.29 = 6,669.20/x
  3. Step 3: Cross multiply
    8,832.10x = 12,176.29 × 6,669.20
  4. Step 4: Simplify right side
    8,832.10x = 81,206,019.04
  5. Step 5: Solve for x
    x = 81,206,019.04/8,832.10
  6. Step 6: Final answer
    x = 9,194.42

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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.