Home / 10,887.21-15,024.06-6,171.48

Finding the Fourth Proportional to 10,887.21, 15,024.06 and 6,171.48

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Solution

The fourth proportional to 10,887.21, 15,024.06 and 6,171.48 is: 8,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.21 : 15,024.06 = 6,171.48 : x
  2. Step 2: Convert to fraction form
    10,887.21/15,024.06 = 6,171.48/x
  3. Step 3: Cross multiply
    10,887.21x = 15,024.06 × 6,171.48
  4. Step 4: Simplify right side
    10,887.21x = 92,720,685.81
  5. Step 5: Solve for x
    x = 92,720,685.81/10,887.21
  6. Step 6: Final answer
    x = 8,516.48

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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.