Home / 12,550.34-17,319.20-7,173.02

Finding the Fourth Proportional to 12,550.34, 17,319.20 and 7,173.02

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Solution

The fourth proportional to 12,550.34, 17,319.20 and 7,173.02 is: 9,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.34 : 17,319.20 = 7,173.02 : x
  2. Step 2: Convert to fraction form
    12,550.34/17,319.20 = 7,173.02/x
  3. Step 3: Cross multiply
    12,550.34x = 17,319.20 × 7,173.02
  4. Step 4: Simplify right side
    12,550.34x = 124,230,967.98
  5. Step 5: Solve for x
    x = 124,230,967.98/12,550.34
  6. Step 6: Final answer
    x = 9,898.61

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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.