Home / 12,297.48-18,451.80-5,725.68

Finding the Fourth Proportional to 12,297.48, 18,451.80 and 5,725.68

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Solution

The fourth proportional to 12,297.48, 18,451.80 and 5,725.68 is: 8,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.48 : 18,451.80 = 5,725.68 : x
  2. Step 2: Convert to fraction form
    12,297.48/18,451.80 = 5,725.68/x
  3. Step 3: Cross multiply
    12,297.48x = 18,451.80 × 5,725.68
  4. Step 4: Simplify right side
    12,297.48x = 105,649,102.22
  5. Step 5: Solve for x
    x = 105,649,102.22/12,297.48
  6. Step 6: Final answer
    x = 8,591.12

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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.