Home / 8,144.61-11,238.77-4,559.39

Finding the Fourth Proportional to 8,144.61, 11,238.77 and 4,559.39

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Solution

The fourth proportional to 8,144.61, 11,238.77 and 4,559.39 is: 6,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.61 : 11,238.77 = 4,559.39 : x
  2. Step 2: Convert to fraction form
    8,144.61/11,238.77 = 4,559.39/x
  3. Step 3: Cross multiply
    8,144.61x = 11,238.77 × 4,559.39
  4. Step 4: Simplify right side
    8,144.61x = 51,241,879.36
  5. Step 5: Solve for x
    x = 51,241,879.36/8,144.61
  6. Step 6: Final answer
    x = 6,291.51

Related Problems

Find fourth proportional to 4,072.31, 5,619.39 and 2,279.69
Half scale
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Double scale
Find fourth proportional to 8,145.61, 11,240.15 and 4,560.39
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.