Home / 7,407.25-11,111.28-2,213.53

Finding the Fourth Proportional to 7,407.25, 11,111.28 and 2,213.53

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Solution

The fourth proportional to 7,407.25, 11,111.28 and 2,213.53 is: 3,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.25 : 11,111.28 = 2,213.53 : x
  2. Step 2: Convert to fraction form
    7,407.25/11,111.28 = 2,213.53/x
  3. Step 3: Cross multiply
    7,407.25x = 11,111.28 × 2,213.53
  4. Step 4: Simplify right side
    7,407.25x = 24,595,151.62
  5. Step 5: Solve for x
    x = 24,595,151.62/7,407.25
  6. Step 6: Final answer
    x = 3,320.42

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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.