Home / 7,017.96-9,684.77-3,874.13

Finding the Fourth Proportional to 7,017.96, 9,684.77 and 3,874.13

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Solution

The fourth proportional to 7,017.96, 9,684.77 and 3,874.13 is: 5,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.96 : 9,684.77 = 3,874.13 : x
  2. Step 2: Convert to fraction form
    7,017.96/9,684.77 = 3,874.13/x
  3. Step 3: Cross multiply
    7,017.96x = 9,684.77 × 3,874.13
  4. Step 4: Simplify right side
    7,017.96x = 37,519,990.21
  5. Step 5: Solve for x
    x = 37,519,990.21/7,017.96
  6. Step 6: Final answer
    x = 5,346.28

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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.