Home / 10,997.74-15,176.90-5,961.92

Finding the Fourth Proportional to 10,997.74, 15,176.90 and 5,961.92

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Solution

The fourth proportional to 10,997.74, 15,176.90 and 5,961.92 is: 8,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.74 : 15,176.90 = 5,961.92 : x
  2. Step 2: Convert to fraction form
    10,997.74/15,176.90 = 5,961.92/x
  3. Step 3: Cross multiply
    10,997.74x = 15,176.90 × 5,961.92
  4. Step 4: Simplify right side
    10,997.74x = 90,483,402.67
  5. Step 5: Solve for x
    x = 90,483,402.67/10,997.74
  6. Step 6: Final answer
    x = 8,227.45

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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.