Home / 9,945.17-13,724.07-5,469.38

Finding the Fourth Proportional to 9,945.17, 13,724.07 and 5,469.38

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Solution

The fourth proportional to 9,945.17, 13,724.07 and 5,469.38 is: 7,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.17 : 13,724.07 = 5,469.38 : x
  2. Step 2: Convert to fraction form
    9,945.17/13,724.07 = 5,469.38/x
  3. Step 3: Cross multiply
    9,945.17x = 13,724.07 × 5,469.38
  4. Step 4: Simplify right side
    9,945.17x = 75,062,153.98
  5. Step 5: Solve for x
    x = 75,062,153.98/9,945.17
  6. Step 6: Final answer
    x = 7,547.60

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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.