Home / 10,403.75-15,602.38-3,476.63

Finding the Fourth Proportional to 10,403.75, 15,602.38 and 3,476.63

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Solution

The fourth proportional to 10,403.75, 15,602.38 and 3,476.63 is: 5,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.75 : 15,602.38 = 3,476.63 : x
  2. Step 2: Convert to fraction form
    10,403.75/15,602.38 = 3,476.63/x
  3. Step 3: Cross multiply
    10,403.75x = 15,602.38 × 3,476.63
  4. Step 4: Simplify right side
    10,403.75x = 54,243,615.68
  5. Step 5: Solve for x
    x = 54,243,615.68/10,403.75
  6. Step 6: Final answer
    x = 5,213.85

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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.