Home / 10,290.22-15,423.67-4,732.09

Finding the Fourth Proportional to 10,290.22, 15,423.67 and 4,732.09

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Solution

The fourth proportional to 10,290.22, 15,423.67 and 4,732.09 is: 7,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.22 : 15,423.67 = 4,732.09 : x
  2. Step 2: Convert to fraction form
    10,290.22/15,423.67 = 4,732.09/x
  3. Step 3: Cross multiply
    10,290.22x = 15,423.67 × 4,732.09
  4. Step 4: Simplify right side
    10,290.22x = 72,986,194.57
  5. Step 5: Solve for x
    x = 72,986,194.57/10,290.22
  6. Step 6: Final answer
    x = 7,092.77

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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.