Home / 12,723.44-17,558.52-9,531.08

Finding the Fourth Proportional to 12,723.44, 17,558.52 and 9,531.08

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Solution

The fourth proportional to 12,723.44, 17,558.52 and 9,531.08 is: 13,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.44 : 17,558.52 = 9,531.08 : x
  2. Step 2: Convert to fraction form
    12,723.44/17,558.52 = 9,531.08/x
  3. Step 3: Cross multiply
    12,723.44x = 17,558.52 × 9,531.08
  4. Step 4: Simplify right side
    12,723.44x = 167,351,658.80
  5. Step 5: Solve for x
    x = 167,351,658.80/12,723.44
  6. Step 6: Final answer
    x = 13,153.02

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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.