Home / 10,436.10-15,654.21-2,644.91

Finding the Fourth Proportional to 10,436.10, 15,654.21 and 2,644.91

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Solution

The fourth proportional to 10,436.10, 15,654.21 and 2,644.91 is: 3,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.10 : 15,654.21 = 2,644.91 : x
  2. Step 2: Convert to fraction form
    10,436.10/15,654.21 = 2,644.91/x
  3. Step 3: Cross multiply
    10,436.10x = 15,654.21 × 2,644.91
  4. Step 4: Simplify right side
    10,436.10x = 41,403,976.57
  5. Step 5: Solve for x
    x = 41,403,976.57/10,436.10
  6. Step 6: Final answer
    x = 3,967.38

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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.