Home / 8,650.83-11,936.16-5,112.12

Finding the Fourth Proportional to 8,650.83, 11,936.16 and 5,112.12

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Solution

The fourth proportional to 8,650.83, 11,936.16 and 5,112.12 is: 7,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.83 : 11,936.16 = 5,112.12 : x
  2. Step 2: Convert to fraction form
    8,650.83/11,936.16 = 5,112.12/x
  3. Step 3: Cross multiply
    8,650.83x = 11,936.16 × 5,112.12
  4. Step 4: Simplify right side
    8,650.83x = 61,019,082.26
  5. Step 5: Solve for x
    x = 61,019,082.26/8,650.83
  6. Step 6: Final answer
    x = 7,053.55

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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.