Home / 7,414.40-11,117.55-3,026.90

Finding the Fourth Proportional to 7,414.40, 11,117.55 and 3,026.90

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Solution

The fourth proportional to 7,414.40, 11,117.55 and 3,026.90 is: 4,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.40 : 11,117.55 = 3,026.90 : x
  2. Step 2: Convert to fraction form
    7,414.40/11,117.55 = 3,026.90/x
  3. Step 3: Cross multiply
    7,414.40x = 11,117.55 × 3,026.90
  4. Step 4: Simplify right side
    7,414.40x = 33,651,712.10
  5. Step 5: Solve for x
    x = 33,651,712.10/7,414.40
  6. Step 6: Final answer
    x = 4,538.70

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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.