Home / 11,273.67-15,559.56-6,560.69

Finding the Fourth Proportional to 11,273.67, 15,559.56 and 6,560.69

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Solution

The fourth proportional to 11,273.67, 15,559.56 and 6,560.69 is: 9,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.67 : 15,559.56 = 6,560.69 : x
  2. Step 2: Convert to fraction form
    11,273.67/15,559.56 = 6,560.69/x
  3. Step 3: Cross multiply
    11,273.67x = 15,559.56 × 6,560.69
  4. Step 4: Simplify right side
    11,273.67x = 102,081,371.90
  5. Step 5: Solve for x
    x = 102,081,371.90/11,273.67
  6. Step 6: Final answer
    x = 9,054.85

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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.