Home / 12,336.66-18,505.80-4,542.84

Finding the Fourth Proportional to 12,336.66, 18,505.80 and 4,542.84

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Solution

The fourth proportional to 12,336.66, 18,505.80 and 4,542.84 is: 6,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.66 : 18,505.80 = 4,542.84 : x
  2. Step 2: Convert to fraction form
    12,336.66/18,505.80 = 4,542.84/x
  3. Step 3: Cross multiply
    12,336.66x = 18,505.80 × 4,542.84
  4. Step 4: Simplify right side
    12,336.66x = 84,068,888.47
  5. Step 5: Solve for x
    x = 84,068,888.47/12,336.66
  6. Step 6: Final answer
    x = 6,814.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.