Home / 10,949.36-16,408.90-9,484.88

Finding the Fourth Proportional to 10,949.36, 16,408.90 and 9,484.88

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Solution

The fourth proportional to 10,949.36, 16,408.90 and 9,484.88 is: 14,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.36 : 16,408.90 = 9,484.88 : x
  2. Step 2: Convert to fraction form
    10,949.36/16,408.90 = 9,484.88/x
  3. Step 3: Cross multiply
    10,949.36x = 16,408.90 × 9,484.88
  4. Step 4: Simplify right side
    10,949.36x = 155,636,447.43
  5. Step 5: Solve for x
    x = 155,636,447.43/10,949.36
  6. Step 6: Final answer
    x = 14,214.20

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1.5x scale

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.