Home / 11,824.36-17,731.92-5,162.89

Finding the Fourth Proportional to 11,824.36, 17,731.92 and 5,162.89

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Solution

The fourth proportional to 11,824.36, 17,731.92 and 5,162.89 is: 7,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.36 : 17,731.92 = 5,162.89 : x
  2. Step 2: Convert to fraction form
    11,824.36/17,731.92 = 5,162.89/x
  3. Step 3: Cross multiply
    11,824.36x = 17,731.92 × 5,162.89
  4. Step 4: Simplify right side
    11,824.36x = 91,547,952.45
  5. Step 5: Solve for x
    x = 91,547,952.45/11,824.36
  6. Step 6: Final answer
    x = 7,742.32

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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.