Home / 11,261.32-15,541.14-6,786.52

Finding the Fourth Proportional to 11,261.32, 15,541.14 and 6,786.52

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Solution

The fourth proportional to 11,261.32, 15,541.14 and 6,786.52 is: 9,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.32 : 15,541.14 = 6,786.52 : x
  2. Step 2: Convert to fraction form
    11,261.32/15,541.14 = 6,786.52/x
  3. Step 3: Cross multiply
    11,261.32x = 15,541.14 × 6,786.52
  4. Step 4: Simplify right side
    11,261.32x = 105,470,257.43
  5. Step 5: Solve for x
    x = 105,470,257.43/11,261.32
  6. Step 6: Final answer
    x = 9,365.71

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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.