Home / 12,091.66-16,686.25-6,713.81

Finding the Fourth Proportional to 12,091.66, 16,686.25 and 6,713.81

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Solution

The fourth proportional to 12,091.66, 16,686.25 and 6,713.81 is: 9,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.66 : 16,686.25 = 6,713.81 : x
  2. Step 2: Convert to fraction form
    12,091.66/16,686.25 = 6,713.81/x
  3. Step 3: Cross multiply
    12,091.66x = 16,686.25 × 6,713.81
  4. Step 4: Simplify right side
    12,091.66x = 112,028,411.96
  5. Step 5: Solve for x
    x = 112,028,411.96/12,091.66
  6. Step 6: Final answer
    x = 9,264.93

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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.