Home / 10,977.21-16,454.25-4,735.76

Finding the Fourth Proportional to 10,977.21, 16,454.25 and 4,735.76

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Solution

The fourth proportional to 10,977.21, 16,454.25 and 4,735.76 is: 7,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.21 : 16,454.25 = 4,735.76 : x
  2. Step 2: Convert to fraction form
    10,977.21/16,454.25 = 4,735.76/x
  3. Step 3: Cross multiply
    10,977.21x = 16,454.25 × 4,735.76
  4. Step 4: Simplify right side
    10,977.21x = 77,923,296.71
  5. Step 5: Solve for x
    x = 77,923,296.71/10,977.21
  6. Step 6: Final answer
    x = 7,098.64

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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.