Home / 10,887.27-15,024.51-6,171.54

Finding the Fourth Proportional to 10,887.27, 15,024.51 and 6,171.54

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Solution

The fourth proportional to 10,887.27, 15,024.51 and 6,171.54 is: 8,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.27 : 15,024.51 = 6,171.54 : x
  2. Step 2: Convert to fraction form
    10,887.27/15,024.51 = 6,171.54/x
  3. Step 3: Cross multiply
    10,887.27x = 15,024.51 × 6,171.54
  4. Step 4: Simplify right side
    10,887.27x = 92,724,364.45
  5. Step 5: Solve for x
    x = 92,724,364.45/10,887.27
  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.