Home / 10,997.15-15,176.25-6,281.46

Finding the Fourth Proportional to 10,997.15, 15,176.25 and 6,281.46

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Solution

The fourth proportional to 10,997.15, 15,176.25 and 6,281.46 is: 8,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.15 : 15,176.25 = 6,281.46 : x
  2. Step 2: Convert to fraction form
    10,997.15/15,176.25 = 6,281.46/x
  3. Step 3: Cross multiply
    10,997.15x = 15,176.25 × 6,281.46
  4. Step 4: Simplify right side
    10,997.15x = 95,329,007.33
  5. Step 5: Solve for x
    x = 95,329,007.33/10,997.15
  6. Step 6: Final answer
    x = 8,668.52

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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.