Home / 12,750.47-19,132.26-5,259.56

Finding the Fourth Proportional to 12,750.47, 19,132.26 and 5,259.56

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Solution

The fourth proportional to 12,750.47, 19,132.26 and 5,259.56 is: 7,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.47 : 19,132.26 = 5,259.56 : x
  2. Step 2: Convert to fraction form
    12,750.47/19,132.26 = 5,259.56/x
  3. Step 3: Cross multiply
    12,750.47x = 19,132.26 × 5,259.56
  4. Step 4: Simplify right side
    12,750.47x = 100,627,154.02
  5. Step 5: Solve for x
    x = 100,627,154.02/12,750.47
  6. Step 6: Final answer
    x = 7,892.04

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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.