Home / 7,543.38-11,309.87-3,324.59

Finding the Fourth Proportional to 7,543.38, 11,309.87 and 3,324.59

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Solution

The fourth proportional to 7,543.38, 11,309.87 and 3,324.59 is: 4,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.38 : 11,309.87 = 3,324.59 : x
  2. Step 2: Convert to fraction form
    7,543.38/11,309.87 = 3,324.59/x
  3. Step 3: Cross multiply
    7,543.38x = 11,309.87 × 3,324.59
  4. Step 4: Simplify right side
    7,543.38x = 37,600,632.47
  5. Step 5: Solve for x
    x = 37,600,632.47/7,543.38
  6. Step 6: Final answer
    x = 4,984.59

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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.