Home / 9,078.96-12,529.86-6,100.98

Finding the Fourth Proportional to 9,078.96, 12,529.86 and 6,100.98

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Solution

The fourth proportional to 9,078.96, 12,529.86 and 6,100.98 is: 8,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.96 : 12,529.86 = 6,100.98 : x
  2. Step 2: Convert to fraction form
    9,078.96/12,529.86 = 6,100.98/x
  3. Step 3: Cross multiply
    9,078.96x = 12,529.86 × 6,100.98
  4. Step 4: Simplify right side
    9,078.96x = 76,444,425.26
  5. Step 5: Solve for x
    x = 76,444,425.26/9,078.96
  6. Step 6: Final answer
    x = 8,419.95

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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.