Home / 10,663.28-15,973.50-5,310.33

Finding the Fourth Proportional to 10,663.28, 15,973.50 and 5,310.33

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Solution

The fourth proportional to 10,663.28, 15,973.50 and 5,310.33 is: 7,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.28 : 15,973.50 = 5,310.33 : x
  2. Step 2: Convert to fraction form
    10,663.28/15,973.50 = 5,310.33/x
  3. Step 3: Cross multiply
    10,663.28x = 15,973.50 × 5,310.33
  4. Step 4: Simplify right side
    10,663.28x = 84,824,556.26
  5. Step 5: Solve for x
    x = 84,824,556.26/10,663.28
  6. Step 6: Final answer
    x = 7,954.83

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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.