Home / 7,772.11-11,651.63-3,386.26

Finding the Fourth Proportional to 7,772.11, 11,651.63 and 3,386.26

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Solution

The fourth proportional to 7,772.11, 11,651.63 and 3,386.26 is: 5,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.11 : 11,651.63 = 3,386.26 : x
  2. Step 2: Convert to fraction form
    7,772.11/11,651.63 = 3,386.26/x
  3. Step 3: Cross multiply
    7,772.11x = 11,651.63 × 3,386.26
  4. Step 4: Simplify right side
    7,772.11x = 39,455,448.60
  5. Step 5: Solve for x
    x = 39,455,448.60/7,772.11
  6. Step 6: Final answer
    x = 5,076.54

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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.