Home / 10,949.72-16,434.96-6,777.11

Finding the Fourth Proportional to 10,949.72, 16,434.96 and 6,777.11

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Solution

The fourth proportional to 10,949.72, 16,434.96 and 6,777.11 is: 10,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.72 : 16,434.96 = 6,777.11 : x
  2. Step 2: Convert to fraction form
    10,949.72/16,434.96 = 6,777.11/x
  3. Step 3: Cross multiply
    10,949.72x = 16,434.96 × 6,777.11
  4. Step 4: Simplify right side
    10,949.72x = 111,381,424.18
  5. Step 5: Solve for x
    x = 111,381,424.18/10,949.72
  6. Step 6: Final answer
    x = 10,172.08

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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.