Home / 11,393.12-17,097.28-4,378.94

Finding the Fourth Proportional to 11,393.12, 17,097.28 and 4,378.94

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Solution

The fourth proportional to 11,393.12, 17,097.28 and 4,378.94 is: 6,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.12 : 17,097.28 = 4,378.94 : x
  2. Step 2: Convert to fraction form
    11,393.12/17,097.28 = 4,378.94/x
  3. Step 3: Cross multiply
    11,393.12x = 17,097.28 × 4,378.94
  4. Step 4: Simplify right side
    11,393.12x = 74,867,963.28
  5. Step 5: Solve for x
    x = 74,867,963.28/11,393.12
  6. Step 6: Final answer
    x = 6,571.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.