Home / 8,836.12-12,195.06-5,112.28

Finding the Fourth Proportional to 8,836.12, 12,195.06 and 5,112.28

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Solution

The fourth proportional to 8,836.12, 12,195.06 and 5,112.28 is: 7,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.12 : 12,195.06 = 5,112.28 : x
  2. Step 2: Convert to fraction form
    8,836.12/12,195.06 = 5,112.28/x
  3. Step 3: Cross multiply
    8,836.12x = 12,195.06 × 5,112.28
  4. Step 4: Simplify right side
    8,836.12x = 62,344,561.34
  5. Step 5: Solve for x
    x = 62,344,561.34/8,836.12
  6. Step 6: Final answer
    x = 7,055.65

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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.