Home / 7,020.88-10,531.50-3,324.84

Finding the Fourth Proportional to 7,020.88, 10,531.50 and 3,324.84

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Solution

The fourth proportional to 7,020.88, 10,531.50 and 3,324.84 is: 4,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.88 : 10,531.50 = 3,324.84 : x
  2. Step 2: Convert to fraction form
    7,020.88/10,531.50 = 3,324.84/x
  3. Step 3: Cross multiply
    7,020.88x = 10,531.50 × 3,324.84
  4. Step 4: Simplify right side
    7,020.88x = 35,015,552.46
  5. Step 5: Solve for x
    x = 35,015,552.46/7,020.88
  6. Step 6: Final answer
    x = 4,987.35

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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.