Home / 10,880.26-16,320.40-4,724.26

Finding the Fourth Proportional to 10,880.26, 16,320.40 and 4,724.26

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Solution

The fourth proportional to 10,880.26, 16,320.40 and 4,724.26 is: 7,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.26 : 16,320.40 = 4,724.26 : x
  2. Step 2: Convert to fraction form
    10,880.26/16,320.40 = 4,724.26/x
  3. Step 3: Cross multiply
    10,880.26x = 16,320.40 × 4,724.26
  4. Step 4: Simplify right side
    10,880.26x = 77,101,812.90
  5. Step 5: Solve for x
    x = 77,101,812.90/10,880.26
  6. Step 6: Final answer
    x = 7,086.39

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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.