Home / 9,283.64-12,811.44-5,091.92

Finding the Fourth Proportional to 9,283.64, 12,811.44 and 5,091.92

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Solution

The fourth proportional to 9,283.64, 12,811.44 and 5,091.92 is: 7,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.64 : 12,811.44 = 5,091.92 : x
  2. Step 2: Convert to fraction form
    9,283.64/12,811.44 = 5,091.92/x
  3. Step 3: Cross multiply
    9,283.64x = 12,811.44 × 5,091.92
  4. Step 4: Simplify right side
    9,283.64x = 65,234,827.56
  5. Step 5: Solve for x
    x = 65,234,827.56/9,283.64
  6. Step 6: Final answer
    x = 7,026.86

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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.