Home / 11,474.23-15,833.49-8,119.01

Finding the Fourth Proportional to 11,474.23, 15,833.49 and 8,119.01

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Solution

The fourth proportional to 11,474.23, 15,833.49 and 8,119.01 is: 11,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.23 : 15,833.49 = 8,119.01 : x
  2. Step 2: Convert to fraction form
    11,474.23/15,833.49 = 8,119.01/x
  3. Step 3: Cross multiply
    11,474.23x = 15,833.49 × 8,119.01
  4. Step 4: Simplify right side
    11,474.23x = 128,552,154.03
  5. Step 5: Solve for x
    x = 128,552,154.03/11,474.23
  6. Step 6: Final answer
    x = 11,203.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.