Home / 9,078.60-12,529.04-6,836.52

Finding the Fourth Proportional to 9,078.60, 12,529.04 and 6,836.52

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Solution

The fourth proportional to 9,078.60, 12,529.04 and 6,836.52 is: 9,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.60 : 12,529.04 = 6,836.52 : x
  2. Step 2: Convert to fraction form
    9,078.60/12,529.04 = 6,836.52/x
  3. Step 3: Cross multiply
    9,078.60x = 12,529.04 × 6,836.52
  4. Step 4: Simplify right side
    9,078.60x = 85,655,032.54
  5. Step 5: Solve for x
    x = 85,655,032.54/9,078.60
  6. Step 6: Final answer
    x = 9,434.83

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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.