Home / 9,977.36-14,965.89-2,581.22

Finding the Fourth Proportional to 9,977.36, 14,965.89 and 2,581.22

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Solution

The fourth proportional to 9,977.36, 14,965.89 and 2,581.22 is: 3,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.36 : 14,965.89 = 2,581.22 : x
  2. Step 2: Convert to fraction form
    9,977.36/14,965.89 = 2,581.22/x
  3. Step 3: Cross multiply
    9,977.36x = 14,965.89 × 2,581.22
  4. Step 4: Simplify right side
    9,977.36x = 38,630,254.59
  5. Step 5: Solve for x
    x = 38,630,254.59/9,977.36
  6. Step 6: Final answer
    x = 3,871.79

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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.