Home / 11,731.13-16,188.96-6,426.14

Finding the Fourth Proportional to 11,731.13, 16,188.96 and 6,426.14

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Solution

The fourth proportional to 11,731.13, 16,188.96 and 6,426.14 is: 8,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.13 : 16,188.96 = 6,426.14 : x
  2. Step 2: Convert to fraction form
    11,731.13/16,188.96 = 6,426.14/x
  3. Step 3: Cross multiply
    11,731.13x = 16,188.96 × 6,426.14
  4. Step 4: Simplify right side
    11,731.13x = 104,032,442.47
  5. Step 5: Solve for x
    x = 104,032,442.47/11,731.13
  6. Step 6: Final answer
    x = 8,868.07

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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.