Home / 10,924.29-16,383.60-3,131.28

Finding the Fourth Proportional to 10,924.29, 16,383.60 and 3,131.28

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Solution

The fourth proportional to 10,924.29, 16,383.60 and 3,131.28 is: 4,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,924.29 : 16,383.60 = 3,131.28 : x
  2. Step 2: Convert to fraction form
    10,924.29/16,383.60 = 3,131.28/x
  3. Step 3: Cross multiply
    10,924.29x = 16,383.60 × 3,131.28
  4. Step 4: Simplify right side
    10,924.29x = 51,301,639.01
  5. Step 5: Solve for x
    x = 51,301,639.01/10,924.29
  6. Step 6: Final answer
    x = 4,696.11

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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.