Home / 9,295.66-13,919.68-5,131.05

Finding the Fourth Proportional to 9,295.66, 13,919.68 and 5,131.05

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Solution

The fourth proportional to 9,295.66, 13,919.68 and 5,131.05 is: 7,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.66 : 13,919.68 = 5,131.05 : x
  2. Step 2: Convert to fraction form
    9,295.66/13,919.68 = 5,131.05/x
  3. Step 3: Cross multiply
    9,295.66x = 13,919.68 × 5,131.05
  4. Step 4: Simplify right side
    9,295.66x = 71,422,528.28
  5. Step 5: Solve for x
    x = 71,422,528.28/9,295.66
  6. Step 6: Final answer
    x = 7,683.43

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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.