Home / 10,649.65-15,973.77-4,408.03

Finding the Fourth Proportional to 10,649.65, 15,973.77 and 4,408.03

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Solution

The fourth proportional to 10,649.65, 15,973.77 and 4,408.03 is: 6,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.65 : 15,973.77 = 4,408.03 : x
  2. Step 2: Convert to fraction form
    10,649.65/15,973.77 = 4,408.03/x
  3. Step 3: Cross multiply
    10,649.65x = 15,973.77 × 4,408.03
  4. Step 4: Simplify right side
    10,649.65x = 70,412,857.37
  5. Step 5: Solve for x
    x = 70,412,857.37/10,649.65
  6. Step 6: Final answer
    x = 6,611.75

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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.