Home / 7,480.10-11,222.33-2,215.24

Finding the Fourth Proportional to 7,480.10, 11,222.33 and 2,215.24

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Solution

The fourth proportional to 7,480.10, 11,222.33 and 2,215.24 is: 3,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.10 : 11,222.33 = 2,215.24 : x
  2. Step 2: Convert to fraction form
    7,480.10/11,222.33 = 2,215.24/x
  3. Step 3: Cross multiply
    7,480.10x = 11,222.33 × 2,215.24
  4. Step 4: Simplify right side
    7,480.10x = 24,860,154.31
  5. Step 5: Solve for x
    x = 24,860,154.31/7,480.10
  6. Step 6: Final answer
    x = 3,323.51

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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.