Home / 11,467.57-15,825.27-6,690.79

Finding the Fourth Proportional to 11,467.57, 15,825.27 and 6,690.79

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Solution

The fourth proportional to 11,467.57, 15,825.27 and 6,690.79 is: 9,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.57 : 15,825.27 = 6,690.79 : x
  2. Step 2: Convert to fraction form
    11,467.57/15,825.27 = 6,690.79/x
  3. Step 3: Cross multiply
    11,467.57x = 15,825.27 × 6,690.79
  4. Step 4: Simplify right side
    11,467.57x = 105,883,524.81
  5. Step 5: Solve for x
    x = 105,883,524.81/11,467.57
  6. Step 6: Final answer
    x = 9,233.30

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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.