Home / 7,766.64-11,648.74-2,572.51

Finding the Fourth Proportional to 7,766.64, 11,648.74 and 2,572.51

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Solution

The fourth proportional to 7,766.64, 11,648.74 and 2,572.51 is: 3,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.64 : 11,648.74 = 2,572.51 : x
  2. Step 2: Convert to fraction form
    7,766.64/11,648.74 = 2,572.51/x
  3. Step 3: Cross multiply
    7,766.64x = 11,648.74 × 2,572.51
  4. Step 4: Simplify right side
    7,766.64x = 29,966,500.14
  5. Step 5: Solve for x
    x = 29,966,500.14/7,766.64
  6. Step 6: Final answer
    x = 3,858.36

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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.