Home / 6,866.81-9,475.80-3,883.27

Finding the Fourth Proportional to 6,866.81, 9,475.80 and 3,883.27

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Solution

The fourth proportional to 6,866.81, 9,475.80 and 3,883.27 is: 5,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.81 : 9,475.80 = 3,883.27 : x
  2. Step 2: Convert to fraction form
    6,866.81/9,475.80 = 3,883.27/x
  3. Step 3: Cross multiply
    6,866.81x = 9,475.80 × 3,883.27
  4. Step 4: Simplify right side
    6,866.81x = 36,797,089.87
  5. Step 5: Solve for x
    x = 36,797,089.87/6,866.81
  6. Step 6: Final answer
    x = 5,358.69

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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.