Home / 9,778.44-13,494.16-5,530.33

Finding the Fourth Proportional to 9,778.44, 13,494.16 and 5,530.33

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Solution

The fourth proportional to 9,778.44, 13,494.16 and 5,530.33 is: 7,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.44 : 13,494.16 = 5,530.33 : x
  2. Step 2: Convert to fraction form
    9,778.44/13,494.16 = 5,530.33/x
  3. Step 3: Cross multiply
    9,778.44x = 13,494.16 × 5,530.33
  4. Step 4: Simplify right side
    9,778.44x = 74,627,062.75
  5. Step 5: Solve for x
    x = 74,627,062.75/9,778.44
  6. Step 6: Final answer
    x = 7,631.80

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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.