Home / 8,977.80-13,466.79-3,134.43

Finding the Fourth Proportional to 8,977.80, 13,466.79 and 3,134.43

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Solution

The fourth proportional to 8,977.80, 13,466.79 and 3,134.43 is: 4,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.80 : 13,466.79 = 3,134.43 : x
  2. Step 2: Convert to fraction form
    8,977.80/13,466.79 = 3,134.43/x
  3. Step 3: Cross multiply
    8,977.80x = 13,466.79 × 3,134.43
  4. Step 4: Simplify right side
    8,977.80x = 42,210,710.58
  5. Step 5: Solve for x
    x = 42,210,710.58/8,977.80
  6. Step 6: Final answer
    x = 4,701.67

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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.