Home / 7,394.28-11,085.94-3,494.13

Finding the Fourth Proportional to 7,394.28, 11,085.94 and 3,494.13

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Solution

The fourth proportional to 7,394.28, 11,085.94 and 3,494.13 is: 5,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.28 : 11,085.94 = 3,494.13 : x
  2. Step 2: Convert to fraction form
    7,394.28/11,085.94 = 3,494.13/x
  3. Step 3: Cross multiply
    7,394.28x = 11,085.94 × 3,494.13
  4. Step 4: Simplify right side
    7,394.28x = 38,735,715.53
  5. Step 5: Solve for x
    x = 38,735,715.53/7,394.28
  6. Step 6: Final answer
    x = 5,238.61

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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.