Home / 7,414.61-11,121.06-1,867.94

Finding the Fourth Proportional to 7,414.61, 11,121.06 and 1,867.94

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Solution

The fourth proportional to 7,414.61, 11,121.06 and 1,867.94 is: 2,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.61 : 11,121.06 = 1,867.94 : x
  2. Step 2: Convert to fraction form
    7,414.61/11,121.06 = 1,867.94/x
  3. Step 3: Cross multiply
    7,414.61x = 11,121.06 × 1,867.94
  4. Step 4: Simplify right side
    7,414.61x = 20,773,417.21
  5. Step 5: Solve for x
    x = 20,773,417.21/7,414.61
  6. Step 6: Final answer
    x = 2,801.69

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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.