Home / 11,225.57-15,491.36-6,189.98

Finding the Fourth Proportional to 11,225.57, 15,491.36 and 6,189.98

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Solution

The fourth proportional to 11,225.57, 15,491.36 and 6,189.98 is: 8,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.57 : 15,491.36 = 6,189.98 : x
  2. Step 2: Convert to fraction form
    11,225.57/15,491.36 = 6,189.98/x
  3. Step 3: Cross multiply
    11,225.57x = 15,491.36 × 6,189.98
  4. Step 4: Simplify right side
    11,225.57x = 95,891,146.59
  5. Step 5: Solve for x
    x = 95,891,146.59/11,225.57
  6. Step 6: Final answer
    x = 8,542.21

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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.