Home / 9,649.50-13,316.60-5,400.52

Finding the Fourth Proportional to 9,649.50, 13,316.60 and 5,400.52

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Solution

The fourth proportional to 9,649.50, 13,316.60 and 5,400.52 is: 7,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,649.50 : 13,316.60 = 5,400.52 : x
  2. Step 2: Convert to fraction form
    9,649.50/13,316.60 = 5,400.52/x
  3. Step 3: Cross multiply
    9,649.50x = 13,316.60 × 5,400.52
  4. Step 4: Simplify right side
    9,649.50x = 71,916,564.63
  5. Step 5: Solve for x
    x = 71,916,564.63/9,649.50
  6. Step 6: Final answer
    x = 7,452.88

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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.