Home / 7,411.23-11,117.42-2,480.88

Finding the Fourth Proportional to 7,411.23, 11,117.42 and 2,480.88

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Solution

The fourth proportional to 7,411.23, 11,117.42 and 2,480.88 is: 3,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.23 : 11,117.42 = 2,480.88 : x
  2. Step 2: Convert to fraction form
    7,411.23/11,117.42 = 2,480.88/x
  3. Step 3: Cross multiply
    7,411.23x = 11,117.42 × 2,480.88
  4. Step 4: Simplify right side
    7,411.23x = 27,580,984.93
  5. Step 5: Solve for x
    x = 27,580,984.93/7,411.23
  6. Step 6: Final answer
    x = 3,721.51

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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.