Home / 12,543.56-18,791.30-6,296.25

Finding the Fourth Proportional to 12,543.56, 18,791.30 and 6,296.25

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Solution

The fourth proportional to 12,543.56, 18,791.30 and 6,296.25 is: 9,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.56 : 18,791.30 = 6,296.25 : x
  2. Step 2: Convert to fraction form
    12,543.56/18,791.30 = 6,296.25/x
  3. Step 3: Cross multiply
    12,543.56x = 18,791.30 × 6,296.25
  4. Step 4: Simplify right side
    12,543.56x = 118,314,808.83
  5. Step 5: Solve for x
    x = 118,314,808.83/12,543.56
  6. Step 6: Final answer
    x = 9,432.32

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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.