Home / 12,543.36-18,827.20-6,704.08

Finding the Fourth Proportional to 12,543.36, 18,827.20 and 6,704.08

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Solution

The fourth proportional to 12,543.36, 18,827.20 and 6,704.08 is: 10,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.36 : 18,827.20 = 6,704.08 : x
  2. Step 2: Convert to fraction form
    12,543.36/18,827.20 = 6,704.08/x
  3. Step 3: Cross multiply
    12,543.36x = 18,827.20 × 6,704.08
  4. Step 4: Simplify right side
    12,543.36x = 126,219,054.98
  5. Step 5: Solve for x
    x = 126,219,054.98/12,543.36
  6. Step 6: Final answer
    x = 10,062.62

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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.