Home / 8,461.24-11,672.94-5,667.64

Finding the Fourth Proportional to 8,461.24, 11,672.94 and 5,667.64

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Solution

The fourth proportional to 8,461.24, 11,672.94 and 5,667.64 is: 7,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.24 : 11,672.94 = 5,667.64 : x
  2. Step 2: Convert to fraction form
    8,461.24/11,672.94 = 5,667.64/x
  3. Step 3: Cross multiply
    8,461.24x = 11,672.94 × 5,667.64
  4. Step 4: Simplify right side
    8,461.24x = 66,158,021.66
  5. Step 5: Solve for x
    x = 66,158,021.66/8,461.24
  6. Step 6: Final answer
    x = 7,818.95

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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.