Home / 6,746.68-10,118.80-1,815.18

Finding the Fourth Proportional to 6,746.68, 10,118.80 and 1,815.18

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Solution

The fourth proportional to 6,746.68, 10,118.80 and 1,815.18 is: 2,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.68 : 10,118.80 = 1,815.18 : x
  2. Step 2: Convert to fraction form
    6,746.68/10,118.80 = 1,815.18/x
  3. Step 3: Cross multiply
    6,746.68x = 10,118.80 × 1,815.18
  4. Step 4: Simplify right side
    6,746.68x = 18,367,443.38
  5. Step 5: Solve for x
    x = 18,367,443.38/6,746.68
  6. Step 6: Final answer
    x = 2,722.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.