Home / 10,649.03-15,961.60-3,622.49

Finding the Fourth Proportional to 10,649.03, 15,961.60 and 3,622.49

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Solution

The fourth proportional to 10,649.03, 15,961.60 and 3,622.49 is: 5,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.03 : 15,961.60 = 3,622.49 : x
  2. Step 2: Convert to fraction form
    10,649.03/15,961.60 = 3,622.49/x
  3. Step 3: Cross multiply
    10,649.03x = 15,961.60 × 3,622.49
  4. Step 4: Simplify right side
    10,649.03x = 57,820,638.46
  5. Step 5: Solve for x
    x = 57,820,638.46/10,649.03
  6. Step 6: Final answer
    x = 5,429.66

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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.