Home / 11,574.66-17,336.70-7,118.76

Finding the Fourth Proportional to 11,574.66, 17,336.70 and 7,118.76

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Solution

The fourth proportional to 11,574.66, 17,336.70 and 7,118.76 is: 10,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.66 : 17,336.70 = 7,118.76 : x
  2. Step 2: Convert to fraction form
    11,574.66/17,336.70 = 7,118.76/x
  3. Step 3: Cross multiply
    11,574.66x = 17,336.70 × 7,118.76
  4. Step 4: Simplify right side
    11,574.66x = 123,415,806.49
  5. Step 5: Solve for x
    x = 123,415,806.49/11,574.66
  6. Step 6: Final answer
    x = 10,662.59

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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.