Home / 7,961.64-10,986.08-4,425.59

Finding the Fourth Proportional to 7,961.64, 10,986.08 and 4,425.59

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Solution

The fourth proportional to 7,961.64, 10,986.08 and 4,425.59 is: 6,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.64 : 10,986.08 = 4,425.59 : x
  2. Step 2: Convert to fraction form
    7,961.64/10,986.08 = 4,425.59/x
  3. Step 3: Cross multiply
    7,961.64x = 10,986.08 × 4,425.59
  4. Step 4: Simplify right side
    7,961.64x = 48,619,808.73
  5. Step 5: Solve for x
    x = 48,619,808.73/7,961.64
  6. Step 6: Final answer
    x = 6,106.76

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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.