Home / 11,349.79-17,023.84-5,108.13

Finding the Fourth Proportional to 11,349.79, 17,023.84 and 5,108.13

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Solution

The fourth proportional to 11,349.79, 17,023.84 and 5,108.13 is: 7,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.79 : 17,023.84 = 5,108.13 : x
  2. Step 2: Convert to fraction form
    11,349.79/17,023.84 = 5,108.13/x
  3. Step 3: Cross multiply
    11,349.79x = 17,023.84 × 5,108.13
  4. Step 4: Simplify right side
    11,349.79x = 86,959,975.05
  5. Step 5: Solve for x
    x = 86,959,975.05/11,349.79
  6. Step 6: Final answer
    x = 7,661.82

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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.