Home / 11,106.46-15,335.74-6,863.68

Finding the Fourth Proportional to 11,106.46, 15,335.74 and 6,863.68

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Solution

The fourth proportional to 11,106.46, 15,335.74 and 6,863.68 is: 9,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.46 : 15,335.74 = 6,863.68 : x
  2. Step 2: Convert to fraction form
    11,106.46/15,335.74 = 6,863.68/x
  3. Step 3: Cross multiply
    11,106.46x = 15,335.74 × 6,863.68
  4. Step 4: Simplify right side
    11,106.46x = 105,259,611.92
  5. Step 5: Solve for x
    x = 105,259,611.92/11,106.46
  6. Step 6: Final answer
    x = 9,477.33

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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.