Home / 7,427.14-11,135.42-3,726.70

Finding the Fourth Proportional to 7,427.14, 11,135.42 and 3,726.70

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Solution

The fourth proportional to 7,427.14, 11,135.42 and 3,726.70 is: 5,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.14 : 11,135.42 = 3,726.70 : x
  2. Step 2: Convert to fraction form
    7,427.14/11,135.42 = 3,726.70/x
  3. Step 3: Cross multiply
    7,427.14x = 11,135.42 × 3,726.70
  4. Step 4: Simplify right side
    7,427.14x = 41,498,369.71
  5. Step 5: Solve for x
    x = 41,498,369.71/7,427.14
  6. Step 6: Final answer
    x = 5,587.40

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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.