Home / 9,519.16-13,136.43-5,542.92

Finding the Fourth Proportional to 9,519.16, 13,136.43 and 5,542.92

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Solution

The fourth proportional to 9,519.16, 13,136.43 and 5,542.92 is: 7,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.16 : 13,136.43 = 5,542.92 : x
  2. Step 2: Convert to fraction form
    9,519.16/13,136.43 = 5,542.92/x
  3. Step 3: Cross multiply
    9,519.16x = 13,136.43 × 5,542.92
  4. Step 4: Simplify right side
    9,519.16x = 72,814,180.58
  5. Step 5: Solve for x
    x = 72,814,180.58/9,519.16
  6. Step 6: Final answer
    x = 7,649.22

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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.