Home / 10,962.14-16,422.48-5,408.98

Finding the Fourth Proportional to 10,962.14, 16,422.48 and 5,408.98

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Solution

The fourth proportional to 10,962.14, 16,422.48 and 5,408.98 is: 8,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.14 : 16,422.48 = 5,408.98 : x
  2. Step 2: Convert to fraction form
    10,962.14/16,422.48 = 5,408.98/x
  3. Step 3: Cross multiply
    10,962.14x = 16,422.48 × 5,408.98
  4. Step 4: Simplify right side
    10,962.14x = 88,828,824.81
  5. Step 5: Solve for x
    x = 88,828,824.81/10,962.14
  6. Step 6: Final answer
    x = 8,103.24

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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.