Home / 9,362.41-12,920.17-5,170.66

Finding the Fourth Proportional to 9,362.41, 12,920.17 and 5,170.66

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Solution

The fourth proportional to 9,362.41, 12,920.17 and 5,170.66 is: 7,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.41 : 12,920.17 = 5,170.66 : x
  2. Step 2: Convert to fraction form
    9,362.41/12,920.17 = 5,170.66/x
  3. Step 3: Cross multiply
    9,362.41x = 12,920.17 × 5,170.66
  4. Step 4: Simplify right side
    9,362.41x = 66,805,806.21
  5. Step 5: Solve for x
    x = 66,805,806.21/9,362.41
  6. Step 6: Final answer
    x = 7,135.54

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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.