Home / 10,887.25-15,024.41-6,171.57

Finding the Fourth Proportional to 10,887.25, 15,024.41 and 6,171.57

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Solution

The fourth proportional to 10,887.25, 15,024.41 and 6,171.57 is: 8,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.25 : 15,024.41 = 6,171.57 : x
  2. Step 2: Convert to fraction form
    10,887.25/15,024.41 = 6,171.57/x
  3. Step 3: Cross multiply
    10,887.25x = 15,024.41 × 6,171.57
  4. Step 4: Simplify right side
    10,887.25x = 92,724,198.02
  5. Step 5: Solve for x
    x = 92,724,198.02/10,887.25
  6. Step 6: Final answer
    x = 8,516.77

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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.