Home / 11,894.20-16,422.06-10,631.23

Finding the Fourth Proportional to 11,894.20, 16,422.06 and 10,631.23

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Solution

The fourth proportional to 11,894.20, 16,422.06 and 10,631.23 is: 14,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.20 : 16,422.06 = 10,631.23 : x
  2. Step 2: Convert to fraction form
    11,894.20/16,422.06 = 10,631.23/x
  3. Step 3: Cross multiply
    11,894.20x = 16,422.06 × 10,631.23
  4. Step 4: Simplify right side
    11,894.20x = 174,586,696.93
  5. Step 5: Solve for x
    x = 174,586,696.93/11,894.20
  6. Step 6: Final answer
    x = 14,678.31

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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.