Home / 11,577.72-15,977.22-6,272.66

Finding the Fourth Proportional to 11,577.72, 15,977.22 and 6,272.66

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Solution

The fourth proportional to 11,577.72, 15,977.22 and 6,272.66 is: 8,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.72 : 15,977.22 = 6,272.66 : x
  2. Step 2: Convert to fraction form
    11,577.72/15,977.22 = 6,272.66/x
  3. Step 3: Cross multiply
    11,577.72x = 15,977.22 × 6,272.66
  4. Step 4: Simplify right side
    11,577.72x = 100,219,668.81
  5. Step 5: Solve for x
    x = 100,219,668.81/11,577.72
  6. Step 6: Final answer
    x = 8,656.25

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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.