Home / 11,066.82-16,561.20-6,908.76

Finding the Fourth Proportional to 11,066.82, 16,561.20 and 6,908.76

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Solution

The fourth proportional to 11,066.82, 16,561.20 and 6,908.76 is: 10,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.82 : 16,561.20 = 6,908.76 : x
  2. Step 2: Convert to fraction form
    11,066.82/16,561.20 = 6,908.76/x
  3. Step 3: Cross multiply
    11,066.82x = 16,561.20 × 6,908.76
  4. Step 4: Simplify right side
    11,066.82x = 114,417,356.11
  5. Step 5: Solve for x
    x = 114,417,356.11/11,066.82
  6. Step 6: Final answer
    x = 10,338.77

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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.