Home / 11,577.68-15,977.21-6,272.45

Finding the Fourth Proportional to 11,577.68, 15,977.21 and 6,272.45

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Solution

The fourth proportional to 11,577.68, 15,977.21 and 6,272.45 is: 8,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.68 : 15,977.21 = 6,272.45 : x
  2. Step 2: Convert to fraction form
    11,577.68/15,977.21 = 6,272.45/x
  3. Step 3: Cross multiply
    11,577.68x = 15,977.21 × 6,272.45
  4. Step 4: Simplify right side
    11,577.68x = 100,216,139.62
  5. Step 5: Solve for x
    x = 100,216,139.62/11,577.68
  6. Step 6: Final answer
    x = 8,655.98

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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.