Home / 6,686.12-9,233.70-5,646.44

Finding the Fourth Proportional to 6,686.12, 9,233.70 and 5,646.44

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Solution

The fourth proportional to 6,686.12, 9,233.70 and 5,646.44 is: 7,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.12 : 9,233.70 = 5,646.44 : x
  2. Step 2: Convert to fraction form
    6,686.12/9,233.70 = 5,646.44/x
  3. Step 3: Cross multiply
    6,686.12x = 9,233.70 × 5,646.44
  4. Step 4: Simplify right side
    6,686.12x = 52,137,533.03
  5. Step 5: Solve for x
    x = 52,137,533.03/6,686.12
  6. Step 6: Final answer
    x = 7,797.88

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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.