Home / 11,642.19-16,065.72-6,337.05

Finding the Fourth Proportional to 11,642.19, 16,065.72 and 6,337.05

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Solution

The fourth proportional to 11,642.19, 16,065.72 and 6,337.05 is: 8,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.19 : 16,065.72 = 6,337.05 : x
  2. Step 2: Convert to fraction form
    11,642.19/16,065.72 = 6,337.05/x
  3. Step 3: Cross multiply
    11,642.19x = 16,065.72 × 6,337.05
  4. Step 4: Simplify right side
    11,642.19x = 101,809,270.93
  5. Step 5: Solve for x
    x = 101,809,270.93/11,642.19
  6. Step 6: Final answer
    x = 8,744.86

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Half scale
Find fourth proportional to 23,284.38, 32,131.44 and 12,674.10
Double scale
Find fourth proportional to 11,643.19, 16,067.10 and 6,338.05
Similar ratio
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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.