Home / 9,363.24-12,921.26-5,171.49

Finding the Fourth Proportional to 9,363.24, 12,921.26 and 5,171.49

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Solution

The fourth proportional to 9,363.24, 12,921.26 and 5,171.49 is: 7,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.24 : 12,921.26 = 5,171.49 : x
  2. Step 2: Convert to fraction form
    9,363.24/12,921.26 = 5,171.49/x
  3. Step 3: Cross multiply
    9,363.24x = 12,921.26 × 5,171.49
  4. Step 4: Simplify right side
    9,363.24x = 66,822,141.02
  5. Step 5: Solve for x
    x = 66,822,141.02/9,363.24
  6. Step 6: Final answer
    x = 7,136.65

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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.