Home / 7,407.50-11,101.77-3,246.39

Finding the Fourth Proportional to 7,407.50, 11,101.77 and 3,246.39

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Solution

The fourth proportional to 7,407.50, 11,101.77 and 3,246.39 is: 4,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.50 : 11,101.77 = 3,246.39 : x
  2. Step 2: Convert to fraction form
    7,407.50/11,101.77 = 3,246.39/x
  3. Step 3: Cross multiply
    7,407.50x = 11,101.77 × 3,246.39
  4. Step 4: Simplify right side
    7,407.50x = 36,040,675.11
  5. Step 5: Solve for x
    x = 36,040,675.11/7,407.50
  6. Step 6: Final answer
    x = 4,865.43

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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.