Home / 12,325.93-18,488.99-5,305.46

Finding the Fourth Proportional to 12,325.93, 18,488.99 and 5,305.46

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Solution

The fourth proportional to 12,325.93, 18,488.99 and 5,305.46 is: 7,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.93 : 18,488.99 = 5,305.46 : x
  2. Step 2: Convert to fraction form
    12,325.93/18,488.99 = 5,305.46/x
  3. Step 3: Cross multiply
    12,325.93x = 18,488.99 × 5,305.46
  4. Step 4: Simplify right side
    12,325.93x = 98,092,517.70
  5. Step 5: Solve for x
    x = 98,092,517.70/12,325.93
  6. Step 6: Final answer
    x = 7,958.23

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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.