Home / 11,275.66-16,914.32-3,378.00

Finding the Fourth Proportional to 11,275.66, 16,914.32 and 3,378.00

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Solution

The fourth proportional to 11,275.66, 16,914.32 and 3,378.00 is: 5,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.66 : 16,914.32 = 3,378.00 : x
  2. Step 2: Convert to fraction form
    11,275.66/16,914.32 = 3,378.00/x
  3. Step 3: Cross multiply
    11,275.66x = 16,914.32 × 3,378.00
  4. Step 4: Simplify right side
    11,275.66x = 57,136,632.17
  5. Step 5: Solve for x
    x = 57,136,632.17/11,275.66
  6. Step 6: Final answer
    x = 5,067.26

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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.