Home / 12,166.16-16,789.31-6,577.16

Finding the Fourth Proportional to 12,166.16, 16,789.31 and 6,577.16

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Solution

The fourth proportional to 12,166.16, 16,789.31 and 6,577.16 is: 9,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.16 : 16,789.31 = 6,577.16 : x
  2. Step 2: Convert to fraction form
    12,166.16/16,789.31 = 6,577.16/x
  3. Step 3: Cross multiply
    12,166.16x = 16,789.31 × 6,577.16
  4. Step 4: Simplify right side
    12,166.16x = 110,425,931.64
  5. Step 5: Solve for x
    x = 110,425,931.64/12,166.16
  6. Step 6: Final answer
    x = 9,076.48

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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.