Home / 9,504.58-13,115.78-5,255.39

Finding the Fourth Proportional to 9,504.58, 13,115.78 and 5,255.39

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Solution

The fourth proportional to 9,504.58, 13,115.78 and 5,255.39 is: 7,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.58 : 13,115.78 = 5,255.39 : x
  2. Step 2: Convert to fraction form
    9,504.58/13,115.78 = 5,255.39/x
  3. Step 3: Cross multiply
    9,504.58x = 13,115.78 × 5,255.39
  4. Step 4: Simplify right side
    9,504.58x = 68,928,552.19
  5. Step 5: Solve for x
    x = 68,928,552.19/9,504.58
  6. Step 6: Final answer
    x = 7,252.14

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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.