Home / 6,678.96-9,217.65-3,846.43

Finding the Fourth Proportional to 6,678.96, 9,217.65 and 3,846.43

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Solution

The fourth proportional to 6,678.96, 9,217.65 and 3,846.43 is: 5,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.96 : 9,217.65 = 3,846.43 : x
  2. Step 2: Convert to fraction form
    6,678.96/9,217.65 = 3,846.43/x
  3. Step 3: Cross multiply
    6,678.96x = 9,217.65 × 3,846.43
  4. Step 4: Simplify right side
    6,678.96x = 35,455,045.49
  5. Step 5: Solve for x
    x = 35,455,045.49/6,678.96
  6. Step 6: Final answer
    x = 5,308.47

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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.