Home / 12,517.13-17,273.48-6,774.45

Finding the Fourth Proportional to 12,517.13, 17,273.48 and 6,774.45

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Solution

The fourth proportional to 12,517.13, 17,273.48 and 6,774.45 is: 9,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.13 : 17,273.48 = 6,774.45 : x
  2. Step 2: Convert to fraction form
    12,517.13/17,273.48 = 6,774.45/x
  3. Step 3: Cross multiply
    12,517.13x = 17,273.48 × 6,774.45
  4. Step 4: Simplify right side
    12,517.13x = 117,018,343.52
  5. Step 5: Solve for x
    x = 117,018,343.52/12,517.13
  6. Step 6: Final answer
    x = 9,348.66

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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.