Home / 9,940.49-13,717.18-5,464.13

Finding the Fourth Proportional to 9,940.49, 13,717.18 and 5,464.13

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Solution

The fourth proportional to 9,940.49, 13,717.18 and 5,464.13 is: 7,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.49 : 13,717.18 = 5,464.13 : x
  2. Step 2: Convert to fraction form
    9,940.49/13,717.18 = 5,464.13/x
  3. Step 3: Cross multiply
    9,940.49x = 13,717.18 × 5,464.13
  4. Step 4: Simplify right side
    9,940.49x = 74,952,454.75
  5. Step 5: Solve for x
    x = 74,952,454.75/9,940.49
  6. Step 6: Final answer
    x = 7,540.12

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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.