Home / 11,827.14-16,316.31-7,108.68

Finding the Fourth Proportional to 11,827.14, 16,316.31 and 7,108.68

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Solution

The fourth proportional to 11,827.14, 16,316.31 and 7,108.68 is: 9,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.14 : 16,316.31 = 7,108.68 : x
  2. Step 2: Convert to fraction form
    11,827.14/16,316.31 = 7,108.68/x
  3. Step 3: Cross multiply
    11,827.14x = 16,316.31 × 7,108.68
  4. Step 4: Simplify right side
    11,827.14x = 115,987,426.57
  5. Step 5: Solve for x
    x = 115,987,426.57/11,827.14
  6. Step 6: Final answer
    x = 9,806.89

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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.