Home / 6,236.19-8,605.95-4,644.21

Finding the Fourth Proportional to 6,236.19, 8,605.95 and 4,644.21

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Solution

The fourth proportional to 6,236.19, 8,605.95 and 4,644.21 is: 6,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.19 : 8,605.95 = 4,644.21 : x
  2. Step 2: Convert to fraction form
    6,236.19/8,605.95 = 4,644.21/x
  3. Step 3: Cross multiply
    6,236.19x = 8,605.95 × 4,644.21
  4. Step 4: Simplify right side
    6,236.19x = 39,967,789.36
  5. Step 5: Solve for x
    x = 39,967,789.36/6,236.19
  6. Step 6: Final answer
    x = 6,409.01

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Half scale
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Double scale
Find fourth proportional to 6,237.19, 8,607.33 and 4,645.21
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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.