Home / 9,940.15-13,717.38-5,464.18

Finding the Fourth Proportional to 9,940.15, 13,717.38 and 5,464.18

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Solution

The fourth proportional to 9,940.15, 13,717.38 and 5,464.18 is: 7,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.15 : 13,717.38 = 5,464.18 : x
  2. Step 2: Convert to fraction form
    9,940.15/13,717.38 = 5,464.18/x
  3. Step 3: Cross multiply
    9,940.15x = 13,717.38 × 5,464.18
  4. Step 4: Simplify right side
    9,940.15x = 74,954,193.93
  5. Step 5: Solve for x
    x = 74,954,193.93/9,940.15
  6. Step 6: Final answer
    x = 7,540.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.