Home / 9,910.89-13,674.96-6,726.65

Finding the Fourth Proportional to 9,910.89, 13,674.96 and 6,726.65

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Solution

The fourth proportional to 9,910.89, 13,674.96 and 6,726.65 is: 9,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.89 : 13,674.96 = 6,726.65 : x
  2. Step 2: Convert to fraction form
    9,910.89/13,674.96 = 6,726.65/x
  3. Step 3: Cross multiply
    9,910.89x = 13,674.96 × 6,726.65
  4. Step 4: Simplify right side
    9,910.89x = 91,986,601.31
  5. Step 5: Solve for x
    x = 91,986,601.31/9,910.89
  6. Step 6: Final answer
    x = 9,281.37

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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.