Home / 12,166.15-16,789.28-6,577.15

Finding the Fourth Proportional to 12,166.15, 16,789.28 and 6,577.15

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Solution

The fourth proportional to 12,166.15, 16,789.28 and 6,577.15 is: 9,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.15 : 16,789.28 = 6,577.15 : x
  2. Step 2: Convert to fraction form
    12,166.15/16,789.28 = 6,577.15/x
  3. Step 3: Cross multiply
    12,166.15x = 16,789.28 × 6,577.15
  4. Step 4: Simplify right side
    12,166.15x = 110,425,612.95
  5. Step 5: Solve for x
    x = 110,425,612.95/12,166.15
  6. Step 6: Final answer
    x = 9,076.46

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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.