Home / 12,173.96-18,263.67-3,854.46

Finding the Fourth Proportional to 12,173.96, 18,263.67 and 3,854.46

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Solution

The fourth proportional to 12,173.96, 18,263.67 and 3,854.46 is: 5,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.96 : 18,263.67 = 3,854.46 : x
  2. Step 2: Convert to fraction form
    12,173.96/18,263.67 = 3,854.46/x
  3. Step 3: Cross multiply
    12,173.96x = 18,263.67 × 3,854.46
  4. Step 4: Simplify right side
    12,173.96x = 70,396,585.47
  5. Step 5: Solve for x
    x = 70,396,585.47/12,173.96
  6. Step 6: Final answer
    x = 5,782.55

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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.