Home / 10,885.84-15,022.04-6,170.32

Finding the Fourth Proportional to 10,885.84, 15,022.04 and 6,170.32

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Solution

The fourth proportional to 10,885.84, 15,022.04 and 6,170.32 is: 8,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.84 : 15,022.04 = 6,170.32 : x
  2. Step 2: Convert to fraction form
    10,885.84/15,022.04 = 6,170.32/x
  3. Step 3: Cross multiply
    10,885.84x = 15,022.04 × 6,170.32
  4. Step 4: Simplify right side
    10,885.84x = 92,690,793.85
  5. Step 5: Solve for x
    x = 92,690,793.85/10,885.84
  6. Step 6: Final answer
    x = 8,514.80

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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.