Home / 11,305.21-15,601.37-6,269.63

Finding the Fourth Proportional to 11,305.21, 15,601.37 and 6,269.63

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Solution

The fourth proportional to 11,305.21, 15,601.37 and 6,269.63 is: 8,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.21 : 15,601.37 = 6,269.63 : x
  2. Step 2: Convert to fraction form
    11,305.21/15,601.37 = 6,269.63/x
  3. Step 3: Cross multiply
    11,305.21x = 15,601.37 × 6,269.63
  4. Step 4: Simplify right side
    11,305.21x = 97,814,786.04
  5. Step 5: Solve for x
    x = 97,814,786.04/11,305.21
  6. Step 6: Final answer
    x = 8,652.19

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Half scale
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Double scale
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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.