Home / 11,789.88-16,270.16-6,484.74

Finding the Fourth Proportional to 11,789.88, 16,270.16 and 6,484.74

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Solution

The fourth proportional to 11,789.88, 16,270.16 and 6,484.74 is: 8,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.88 : 16,270.16 = 6,484.74 : x
  2. Step 2: Convert to fraction form
    11,789.88/16,270.16 = 6,484.74/x
  3. Step 3: Cross multiply
    11,789.88x = 16,270.16 × 6,484.74
  4. Step 4: Simplify right side
    11,789.88x = 105,507,724.93
  5. Step 5: Solve for x
    x = 105,507,724.93/11,789.88
  6. Step 6: Final answer
    x = 8,949.01

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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.