Home / 11,784.24-16,261.55-6,479.06

Finding the Fourth Proportional to 11,784.24, 16,261.55 and 6,479.06

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Solution

The fourth proportional to 11,784.24, 16,261.55 and 6,479.06 is: 8,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.24 : 16,261.55 = 6,479.06 : x
  2. Step 2: Convert to fraction form
    11,784.24/16,261.55 = 6,479.06/x
  3. Step 3: Cross multiply
    11,784.24x = 16,261.55 × 6,479.06
  4. Step 4: Simplify right side
    11,784.24x = 105,359,444.44
  5. Step 5: Solve for x
    x = 105,359,444.44/11,784.24
  6. Step 6: Final answer
    x = 8,940.71

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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.