Home / 9,469.75-13,068.53-5,278.27

Finding the Fourth Proportional to 9,469.75, 13,068.53 and 5,278.27

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Solution

The fourth proportional to 9,469.75, 13,068.53 and 5,278.27 is: 7,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.75 : 13,068.53 = 5,278.27 : x
  2. Step 2: Convert to fraction form
    9,469.75/13,068.53 = 5,278.27/x
  3. Step 3: Cross multiply
    9,469.75x = 13,068.53 × 5,278.27
  4. Step 4: Simplify right side
    9,469.75x = 68,979,229.84
  5. Step 5: Solve for x
    x = 68,979,229.84/9,469.75
  6. Step 6: Final answer
    x = 7,284.17

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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.