Home / 9,811.74-14,726.88-3,577.78

Finding the Fourth Proportional to 9,811.74, 14,726.88 and 3,577.78

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Solution

The fourth proportional to 9,811.74, 14,726.88 and 3,577.78 is: 5,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.74 : 14,726.88 = 3,577.78 : x
  2. Step 2: Convert to fraction form
    9,811.74/14,726.88 = 3,577.78/x
  3. Step 3: Cross multiply
    9,811.74x = 14,726.88 × 3,577.78
  4. Step 4: Simplify right side
    9,811.74x = 52,689,536.73
  5. Step 5: Solve for x
    x = 52,689,536.73/9,811.74
  6. Step 6: Final answer
    x = 5,370.05

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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.