Home / 10,409.92-14,365.28-5,694.08

Finding the Fourth Proportional to 10,409.92, 14,365.28 and 5,694.08

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Solution

The fourth proportional to 10,409.92, 14,365.28 and 5,694.08 is: 7,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.92 : 14,365.28 = 5,694.08 : x
  2. Step 2: Convert to fraction form
    10,409.92/14,365.28 = 5,694.08/x
  3. Step 3: Cross multiply
    10,409.92x = 14,365.28 × 5,694.08
  4. Step 4: Simplify right side
    10,409.92x = 81,797,053.54
  5. Step 5: Solve for x
    x = 81,797,053.54/10,409.92
  6. Step 6: Final answer
    x = 7,857.61

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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.