Home / 11,568.15-15,964.16-6,788.18

Finding the Fourth Proportional to 11,568.15, 15,964.16 and 6,788.18

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Solution

The fourth proportional to 11,568.15, 15,964.16 and 6,788.18 is: 9,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.15 : 15,964.16 = 6,788.18 : x
  2. Step 2: Convert to fraction form
    11,568.15/15,964.16 = 6,788.18/x
  3. Step 3: Cross multiply
    11,568.15x = 15,964.16 × 6,788.18
  4. Step 4: Simplify right side
    11,568.15x = 108,367,511.81
  5. Step 5: Solve for x
    x = 108,367,511.81/11,568.15
  6. Step 6: Final answer
    x = 9,367.75

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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.