Home / 11,449.83-17,263.04-11,378.75

Finding the Fourth Proportional to 11,449.83, 17,263.04 and 11,378.75

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Solution

The fourth proportional to 11,449.83, 17,263.04 and 11,378.75 is: 17,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.83 : 17,263.04 = 11,378.75 : x
  2. Step 2: Convert to fraction form
    11,449.83/17,263.04 = 11,378.75/x
  3. Step 3: Cross multiply
    11,449.83x = 17,263.04 × 11,378.75
  4. Step 4: Simplify right side
    11,449.83x = 196,431,816.40
  5. Step 5: Solve for x
    x = 196,431,816.40/11,449.83
  6. Step 6: Final answer
    x = 17,155.87

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.