Home / 10,954.92-16,435.90-4,711.72

Finding the Fourth Proportional to 10,954.92, 16,435.90 and 4,711.72

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Solution

The fourth proportional to 10,954.92, 16,435.90 and 4,711.72 is: 7,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.92 : 16,435.90 = 4,711.72 : x
  2. Step 2: Convert to fraction form
    10,954.92/16,435.90 = 4,711.72/x
  3. Step 3: Cross multiply
    10,954.92x = 16,435.90 × 4,711.72
  4. Step 4: Simplify right side
    10,954.92x = 77,441,358.75
  5. Step 5: Solve for x
    x = 77,441,358.75/10,954.92
  6. Step 6: Final answer
    x = 7,069.09

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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.