Home / 10,912.04-16,355.26-5,056.35

Finding the Fourth Proportional to 10,912.04, 16,355.26 and 5,056.35

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Solution

The fourth proportional to 10,912.04, 16,355.26 and 5,056.35 is: 7,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.04 : 16,355.26 = 5,056.35 : x
  2. Step 2: Convert to fraction form
    10,912.04/16,355.26 = 5,056.35/x
  3. Step 3: Cross multiply
    10,912.04x = 16,355.26 × 5,056.35
  4. Step 4: Simplify right side
    10,912.04x = 82,697,918.90
  5. Step 5: Solve for x
    x = 82,697,918.90/10,912.04
  6. Step 6: Final answer
    x = 7,578.59

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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.