Home / 11,470.58-15,826.68-6,687.65

Finding the Fourth Proportional to 11,470.58, 15,826.68 and 6,687.65

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Solution

The fourth proportional to 11,470.58, 15,826.68 and 6,687.65 is: 9,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.58 : 15,826.68 = 6,687.65 : x
  2. Step 2: Convert to fraction form
    11,470.58/15,826.68 = 6,687.65/x
  3. Step 3: Cross multiply
    11,470.58x = 15,826.68 × 6,687.65
  4. Step 4: Simplify right side
    11,470.58x = 105,843,217.37
  5. Step 5: Solve for x
    x = 105,843,217.37/11,470.58
  6. Step 6: Final answer
    x = 9,227.37

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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.