Home / 10,411.38-14,338.44-9,744.33

Finding the Fourth Proportional to 10,411.38, 14,338.44 and 9,744.33

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Solution

The fourth proportional to 10,411.38, 14,338.44 and 9,744.33 is: 13,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.38 : 14,338.44 = 9,744.33 : x
  2. Step 2: Convert to fraction form
    10,411.38/14,338.44 = 9,744.33/x
  3. Step 3: Cross multiply
    10,411.38x = 14,338.44 × 9,744.33
  4. Step 4: Simplify right side
    10,411.38x = 139,718,491.05
  5. Step 5: Solve for x
    x = 139,718,491.05/10,411.38
  6. Step 6: Final answer
    x = 13,419.79

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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.