Home / 11,839.24-16,219.52-11,396.08

Finding the Fourth Proportional to 11,839.24, 16,219.52 and 11,396.08

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Solution

The fourth proportional to 11,839.24, 16,219.52 and 11,396.08 is: 15,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.24 : 16,219.52 = 11,396.08 : x
  2. Step 2: Convert to fraction form
    11,839.24/16,219.52 = 11,396.08/x
  3. Step 3: Cross multiply
    11,839.24x = 16,219.52 × 11,396.08
  4. Step 4: Simplify right side
    11,839.24x = 184,838,947.48
  5. Step 5: Solve for x
    x = 184,838,947.48/11,839.24
  6. Step 6: Final answer
    x = 15,612.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.