Home / 7,863.81-11,795.33-2,933.07

Finding the Fourth Proportional to 7,863.81, 11,795.33 and 2,933.07

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Solution

The fourth proportional to 7,863.81, 11,795.33 and 2,933.07 is: 4,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.81 : 11,795.33 = 2,933.07 : x
  2. Step 2: Convert to fraction form
    7,863.81/11,795.33 = 2,933.07/x
  3. Step 3: Cross multiply
    7,863.81x = 11,795.33 × 2,933.07
  4. Step 4: Simplify right side
    7,863.81x = 34,596,491.66
  5. Step 5: Solve for x
    x = 34,596,491.66/7,863.81
  6. Step 6: Final answer
    x = 4,399.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.