Home / 9,945.11-13,724.35-5,468.89

Finding the Fourth Proportional to 9,945.11, 13,724.35 and 5,468.89

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Solution

The fourth proportional to 9,945.11, 13,724.35 and 5,468.89 is: 7,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.11 : 13,724.35 = 5,468.89 : x
  2. Step 2: Convert to fraction form
    9,945.11/13,724.35 = 5,468.89/x
  3. Step 3: Cross multiply
    9,945.11x = 13,724.35 × 5,468.89
  4. Step 4: Simplify right side
    9,945.11x = 75,056,963.95
  5. Step 5: Solve for x
    x = 75,056,963.95/9,945.11
  6. Step 6: Final answer
    x = 7,547.12

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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.