Home / 11,577.85-15,977.43-6,272.66

Finding the Fourth Proportional to 11,577.85, 15,977.43 and 6,272.66

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Solution

The fourth proportional to 11,577.85, 15,977.43 and 6,272.66 is: 8,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.85 : 15,977.43 = 6,272.66 : x
  2. Step 2: Convert to fraction form
    11,577.85/15,977.43 = 6,272.66/x
  3. Step 3: Cross multiply
    11,577.85x = 15,977.43 × 6,272.66
  4. Step 4: Simplify right side
    11,577.85x = 100,220,986.06
  5. Step 5: Solve for x
    x = 100,220,986.06/11,577.85
  6. Step 6: Final answer
    x = 8,656.27

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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.