Home / 7,134-9,849.78-4,344.36

Finding the Fourth Proportional to 7,134, 9,849.78 and 4,344.36

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Solution

The fourth proportional to 7,134, 9,849.78 and 4,344.36 is: 5,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134 : 9,849.78 = 4,344.36 : x
  2. Step 2: Convert to fraction form
    7,134/9,849.78 = 4,344.36/x
  3. Step 3: Cross multiply
    7,134x = 9,849.78 × 4,344.36
  4. Step 4: Simplify right side
    7,134x = 42,790,990.24
  5. Step 5: Solve for x
    x = 42,790,990.24/7,134
  6. Step 6: Final answer
    x = 5,998.18

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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.