Home / 10,551.77-14,561.11-5,771.69

Finding the Fourth Proportional to 10,551.77, 14,561.11 and 5,771.69

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Solution

The fourth proportional to 10,551.77, 14,561.11 and 5,771.69 is: 7,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.77 : 14,561.11 = 5,771.69 : x
  2. Step 2: Convert to fraction form
    10,551.77/14,561.11 = 5,771.69/x
  3. Step 3: Cross multiply
    10,551.77x = 14,561.11 × 5,771.69
  4. Step 4: Simplify right side
    10,551.77x = 84,042,212.98
  5. Step 5: Solve for x
    x = 84,042,212.98/10,551.77
  6. Step 6: Final answer
    x = 7,964.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.