Home / 7,017.12-9,683.60-3,873.44

Finding the Fourth Proportional to 7,017.12, 9,683.60 and 3,873.44

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Solution

The fourth proportional to 7,017.12, 9,683.60 and 3,873.44 is: 5,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.12 : 9,683.60 = 3,873.44 : x
  2. Step 2: Convert to fraction form
    7,017.12/9,683.60 = 3,873.44/x
  3. Step 3: Cross multiply
    7,017.12x = 9,683.60 × 3,873.44
  4. Step 4: Simplify right side
    7,017.12x = 37,508,843.58
  5. Step 5: Solve for x
    x = 37,508,843.58/7,017.12
  6. Step 6: Final answer
    x = 5,345.33

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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.