Home / 7,498.80-11,241.18-3,113.46

Finding the Fourth Proportional to 7,498.80, 11,241.18 and 3,113.46

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Solution

The fourth proportional to 7,498.80, 11,241.18 and 3,113.46 is: 4,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.80 : 11,241.18 = 3,113.46 : x
  2. Step 2: Convert to fraction form
    7,498.80/11,241.18 = 3,113.46/x
  3. Step 3: Cross multiply
    7,498.80x = 11,241.18 × 3,113.46
  4. Step 4: Simplify right side
    7,498.80x = 34,998,964.28
  5. Step 5: Solve for x
    x = 34,998,964.28/7,498.80
  6. Step 6: Final answer
    x = 4,667.28

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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.