Home / 11,952.31-17,921.04-10,406.83

Finding the Fourth Proportional to 11,952.31, 17,921.04 and 10,406.83

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Solution

The fourth proportional to 11,952.31, 17,921.04 and 10,406.83 is: 15,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.31 : 17,921.04 = 10,406.83 : x
  2. Step 2: Convert to fraction form
    11,952.31/17,921.04 = 10,406.83/x
  3. Step 3: Cross multiply
    11,952.31x = 17,921.04 × 10,406.83
  4. Step 4: Simplify right side
    11,952.31x = 186,501,216.70
  5. Step 5: Solve for x
    x = 186,501,216.70/11,952.31
  6. Step 6: Final answer
    x = 15,603.78

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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.