Home / 11,275.34-16,912.66-5,356.49

Finding the Fourth Proportional to 11,275.34, 16,912.66 and 5,356.49

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Solution

The fourth proportional to 11,275.34, 16,912.66 and 5,356.49 is: 8,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.34 : 16,912.66 = 5,356.49 : x
  2. Step 2: Convert to fraction form
    11,275.34/16,912.66 = 5,356.49/x
  3. Step 3: Cross multiply
    11,275.34x = 16,912.66 × 5,356.49
  4. Step 4: Simplify right side
    11,275.34x = 90,592,420.17
  5. Step 5: Solve for x
    x = 90,592,420.17/11,275.34
  6. Step 6: Final answer
    x = 8,034.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.