Home / 10,905.33-16,359.57-5,358.99

Finding the Fourth Proportional to 10,905.33, 16,359.57 and 5,358.99

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Solution

The fourth proportional to 10,905.33, 16,359.57 and 5,358.99 is: 8,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.33 : 16,359.57 = 5,358.99 : x
  2. Step 2: Convert to fraction form
    10,905.33/16,359.57 = 5,358.99/x
  3. Step 3: Cross multiply
    10,905.33x = 16,359.57 × 5,358.99
  4. Step 4: Simplify right side
    10,905.33x = 87,670,772.03
  5. Step 5: Solve for x
    x = 87,670,772.03/10,905.33
  6. Step 6: Final answer
    x = 8,039.26

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1.5x scale

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.