Home / 11,180.43-15,427.98-6,144.59

Finding the Fourth Proportional to 11,180.43, 15,427.98 and 6,144.59

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Solution

The fourth proportional to 11,180.43, 15,427.98 and 6,144.59 is: 8,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.43 : 15,427.98 = 6,144.59 : x
  2. Step 2: Convert to fraction form
    11,180.43/15,427.98 = 6,144.59/x
  3. Step 3: Cross multiply
    11,180.43x = 15,427.98 × 6,144.59
  4. Step 4: Simplify right side
    11,180.43x = 94,798,534.49
  5. Step 5: Solve for x
    x = 94,798,534.49/11,180.43
  6. Step 6: Final answer
    x = 8,478.97

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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.