Home / 9,340.40-12,893.64-6,200.84

Finding the Fourth Proportional to 9,340.40, 12,893.64 and 6,200.84

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Solution

The fourth proportional to 9,340.40, 12,893.64 and 6,200.84 is: 8,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.40 : 12,893.64 = 6,200.84 : x
  2. Step 2: Convert to fraction form
    9,340.40/12,893.64 = 6,200.84/x
  3. Step 3: Cross multiply
    9,340.40x = 12,893.64 × 6,200.84
  4. Step 4: Simplify right side
    9,340.40x = 79,951,398.66
  5. Step 5: Solve for x
    x = 79,951,398.66/9,340.40
  6. Step 6: Final answer
    x = 8,559.74

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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.