Home / 7,569.72-11,350.67-3,406.18

Finding the Fourth Proportional to 7,569.72, 11,350.67 and 3,406.18

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Solution

The fourth proportional to 7,569.72, 11,350.67 and 3,406.18 is: 5,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.72 : 11,350.67 = 3,406.18 : x
  2. Step 2: Convert to fraction form
    7,569.72/11,350.67 = 3,406.18/x
  3. Step 3: Cross multiply
    7,569.72x = 11,350.67 × 3,406.18
  4. Step 4: Simplify right side
    7,569.72x = 38,662,425.14
  5. Step 5: Solve for x
    x = 38,662,425.14/7,569.72
  6. Step 6: Final answer
    x = 5,107.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.