Home / 10,430.52-15,649.29-3,505.02

Finding the Fourth Proportional to 10,430.52, 15,649.29 and 3,505.02

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Solution

The fourth proportional to 10,430.52, 15,649.29 and 3,505.02 is: 5,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.52 : 15,649.29 = 3,505.02 : x
  2. Step 2: Convert to fraction form
    10,430.52/15,649.29 = 3,505.02/x
  3. Step 3: Cross multiply
    10,430.52x = 15,649.29 × 3,505.02
  4. Step 4: Simplify right side
    10,430.52x = 54,851,074.44
  5. Step 5: Solve for x
    x = 54,851,074.44/10,430.52
  6. Step 6: Final answer
    x = 5,258.71

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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.