Home / 10,328.23-15,469.65-7,723.27

Finding the Fourth Proportional to 10,328.23, 15,469.65 and 7,723.27

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Solution

The fourth proportional to 10,328.23, 15,469.65 and 7,723.27 is: 11,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.23 : 15,469.65 = 7,723.27 : x
  2. Step 2: Convert to fraction form
    10,328.23/15,469.65 = 7,723.27/x
  3. Step 3: Cross multiply
    10,328.23x = 15,469.65 × 7,723.27
  4. Step 4: Simplify right side
    10,328.23x = 119,476,283.76
  5. Step 5: Solve for x
    x = 119,476,283.76/10,328.23
  6. Step 6: Final answer
    x = 11,567.93

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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.