Home / 11,823.38-17,723.10-7,666.02

Finding the Fourth Proportional to 11,823.38, 17,723.10 and 7,666.02

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Solution

The fourth proportional to 11,823.38, 17,723.10 and 7,666.02 is: 11,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.38 : 17,723.10 = 7,666.02 : x
  2. Step 2: Convert to fraction form
    11,823.38/17,723.10 = 7,666.02/x
  3. Step 3: Cross multiply
    11,823.38x = 17,723.10 × 7,666.02
  4. Step 4: Simplify right side
    11,823.38x = 135,865,639.06
  5. Step 5: Solve for x
    x = 135,865,639.06/11,823.38
  6. Step 6: Final answer
    x = 11,491.27

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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.