Home / 11,040.02-15,234.06-6,791.30

Finding the Fourth Proportional to 11,040.02, 15,234.06 and 6,791.30

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Solution

The fourth proportional to 11,040.02, 15,234.06 and 6,791.30 is: 9,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.02 : 15,234.06 = 6,791.30 : x
  2. Step 2: Convert to fraction form
    11,040.02/15,234.06 = 6,791.30/x
  3. Step 3: Cross multiply
    11,040.02x = 15,234.06 × 6,791.30
  4. Step 4: Simplify right side
    11,040.02x = 103,459,071.68
  5. Step 5: Solve for x
    x = 103,459,071.68/11,040.02
  6. Step 6: Final answer
    x = 9,371.28

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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.