Home / 8,436.56-11,644.07-4,853.91

Finding the Fourth Proportional to 8,436.56, 11,644.07 and 4,853.91

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Solution

The fourth proportional to 8,436.56, 11,644.07 and 4,853.91 is: 6,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.56 : 11,644.07 = 4,853.91 : x
  2. Step 2: Convert to fraction form
    8,436.56/11,644.07 = 4,853.91/x
  3. Step 3: Cross multiply
    8,436.56x = 11,644.07 × 4,853.91
  4. Step 4: Simplify right side
    8,436.56x = 56,519,243.54
  5. Step 5: Solve for x
    x = 56,519,243.54/8,436.56
  6. Step 6: Final answer
    x = 6,699.33

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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.