Home / 10,399.33-14,349.09-5,922.99

Finding the Fourth Proportional to 10,399.33, 14,349.09 and 5,922.99

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Solution

The fourth proportional to 10,399.33, 14,349.09 and 5,922.99 is: 8,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.33 : 14,349.09 = 5,922.99 : x
  2. Step 2: Convert to fraction form
    10,399.33/14,349.09 = 5,922.99/x
  3. Step 3: Cross multiply
    10,399.33x = 14,349.09 × 5,922.99
  4. Step 4: Simplify right side
    10,399.33x = 84,989,505.47
  5. Step 5: Solve for x
    x = 84,989,505.47/10,399.33
  6. Step 6: Final answer
    x = 8,172.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.