Home / 11,167.16-15,412.05-6,451.44

Finding the Fourth Proportional to 11,167.16, 15,412.05 and 6,451.44

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Solution

The fourth proportional to 11,167.16, 15,412.05 and 6,451.44 is: 8,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.16 : 15,412.05 = 6,451.44 : x
  2. Step 2: Convert to fraction form
    11,167.16/15,412.05 = 6,451.44/x
  3. Step 3: Cross multiply
    11,167.16x = 15,412.05 × 6,451.44
  4. Step 4: Simplify right side
    11,167.16x = 99,429,915.85
  5. Step 5: Solve for x
    x = 99,429,915.85/11,167.16
  6. Step 6: Final answer
    x = 8,903.78

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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.