Home / 8,026.96-11,078.40-4,671.76

Finding the Fourth Proportional to 8,026.96, 11,078.40 and 4,671.76

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Solution

The fourth proportional to 8,026.96, 11,078.40 and 4,671.76 is: 6,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,026.96 : 11,078.40 = 4,671.76 : x
  2. Step 2: Convert to fraction form
    8,026.96/11,078.40 = 4,671.76/x
  3. Step 3: Cross multiply
    8,026.96x = 11,078.40 × 4,671.76
  4. Step 4: Simplify right side
    8,026.96x = 51,755,625.98
  5. Step 5: Solve for x
    x = 51,755,625.98/8,026.96
  6. Step 6: Final answer
    x = 6,447.72

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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.