Home / 9,778.11-13,494.05-5,529.32

Finding the Fourth Proportional to 9,778.11, 13,494.05 and 5,529.32

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Solution

The fourth proportional to 9,778.11, 13,494.05 and 5,529.32 is: 7,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.11 : 13,494.05 = 5,529.32 : x
  2. Step 2: Convert to fraction form
    9,778.11/13,494.05 = 5,529.32/x
  3. Step 3: Cross multiply
    9,778.11x = 13,494.05 × 5,529.32
  4. Step 4: Simplify right side
    9,778.11x = 74,612,920.55
  5. Step 5: Solve for x
    x = 74,612,920.55/9,778.11
  6. Step 6: Final answer
    x = 7,630.61

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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.