Home / 9,112.96-12,573.68-5,134.08

Finding the Fourth Proportional to 9,112.96, 12,573.68 and 5,134.08

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Solution

The fourth proportional to 9,112.96, 12,573.68 and 5,134.08 is: 7,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.96 : 12,573.68 = 5,134.08 : x
  2. Step 2: Convert to fraction form
    9,112.96/12,573.68 = 5,134.08/x
  3. Step 3: Cross multiply
    9,112.96x = 12,573.68 × 5,134.08
  4. Step 4: Simplify right side
    9,112.96x = 64,554,190.48
  5. Step 5: Solve for x
    x = 64,554,190.48/9,112.96
  6. Step 6: Final answer
    x = 7,083.78

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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.