Home / 11,400.06-17,130.17-6,138.96

Finding the Fourth Proportional to 11,400.06, 17,130.17 and 6,138.96

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Solution

The fourth proportional to 11,400.06, 17,130.17 and 6,138.96 is: 9,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.06 : 17,130.17 = 6,138.96 : x
  2. Step 2: Convert to fraction form
    11,400.06/17,130.17 = 6,138.96/x
  3. Step 3: Cross multiply
    11,400.06x = 17,130.17 × 6,138.96
  4. Step 4: Simplify right side
    11,400.06x = 105,161,397.73
  5. Step 5: Solve for x
    x = 105,161,397.73/11,400.06
  6. Step 6: Final answer
    x = 9,224.64

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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.