Home / 12,725.96-19,085.28-5,330.24

Finding the Fourth Proportional to 12,725.96, 19,085.28 and 5,330.24

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Solution

The fourth proportional to 12,725.96, 19,085.28 and 5,330.24 is: 7,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.96 : 19,085.28 = 5,330.24 : x
  2. Step 2: Convert to fraction form
    12,725.96/19,085.28 = 5,330.24/x
  3. Step 3: Cross multiply
    12,725.96x = 19,085.28 × 5,330.24
  4. Step 4: Simplify right side
    12,725.96x = 101,729,122.87
  5. Step 5: Solve for x
    x = 101,729,122.87/12,725.96
  6. Step 6: Final answer
    x = 7,993.83

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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.