Home / 8,940.81-12,332.67-5,758.26

Finding the Fourth Proportional to 8,940.81, 12,332.67 and 5,758.26

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Solution

The fourth proportional to 8,940.81, 12,332.67 and 5,758.26 is: 7,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.81 : 12,332.67 = 5,758.26 : x
  2. Step 2: Convert to fraction form
    8,940.81/12,332.67 = 5,758.26/x
  3. Step 3: Cross multiply
    8,940.81x = 12,332.67 × 5,758.26
  4. Step 4: Simplify right side
    8,940.81x = 71,014,720.35
  5. Step 5: Solve for x
    x = 71,014,720.35/8,940.81
  6. Step 6: Final answer
    x = 7,942.76

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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.