Home / 10,977.88-16,466.74-2,657.94

Finding the Fourth Proportional to 10,977.88, 16,466.74 and 2,657.94

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Solution

The fourth proportional to 10,977.88, 16,466.74 and 2,657.94 is: 3,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.88 : 16,466.74 = 2,657.94 : x
  2. Step 2: Convert to fraction form
    10,977.88/16,466.74 = 2,657.94/x
  3. Step 3: Cross multiply
    10,977.88x = 16,466.74 × 2,657.94
  4. Step 4: Simplify right side
    10,977.88x = 43,767,599.78
  5. Step 5: Solve for x
    x = 43,767,599.78/10,977.88
  6. Step 6: Final answer
    x = 3,986.89

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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.