Home / 8,160.19-11,261.13-4,434.19

Finding the Fourth Proportional to 8,160.19, 11,261.13 and 4,434.19

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Solution

The fourth proportional to 8,160.19, 11,261.13 and 4,434.19 is: 6,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.19 : 11,261.13 = 4,434.19 : x
  2. Step 2: Convert to fraction form
    8,160.19/11,261.13 = 4,434.19/x
  3. Step 3: Cross multiply
    8,160.19x = 11,261.13 × 4,434.19
  4. Step 4: Simplify right side
    8,160.19x = 49,933,961.88
  5. Step 5: Solve for x
    x = 49,933,961.88/8,160.19
  6. Step 6: Final answer
    x = 6,119.22

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Half scale
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Double scale
Find fourth proportional to 8,161.19, 11,262.51 and 4,435.19
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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.