Home / 10,961.16-15,126.96-6,487.48

Finding the Fourth Proportional to 10,961.16, 15,126.96 and 6,487.48

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Solution

The fourth proportional to 10,961.16, 15,126.96 and 6,487.48 is: 8,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.16 : 15,126.96 = 6,487.48 : x
  2. Step 2: Convert to fraction form
    10,961.16/15,126.96 = 6,487.48/x
  3. Step 3: Cross multiply
    10,961.16x = 15,126.96 × 6,487.48
  4. Step 4: Simplify right side
    10,961.16x = 98,135,850.46
  5. Step 5: Solve for x
    x = 98,135,850.46/10,961.16
  6. Step 6: Final answer
    x = 8,953.05

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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.