Home / 12,241.32-18,354.53-5,217.41

Finding the Fourth Proportional to 12,241.32, 18,354.53 and 5,217.41

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Solution

The fourth proportional to 12,241.32, 18,354.53 and 5,217.41 is: 7,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.32 : 18,354.53 = 5,217.41 : x
  2. Step 2: Convert to fraction form
    12,241.32/18,354.53 = 5,217.41/x
  3. Step 3: Cross multiply
    12,241.32x = 18,354.53 × 5,217.41
  4. Step 4: Simplify right side
    12,241.32x = 95,762,990.51
  5. Step 5: Solve for x
    x = 95,762,990.51/12,241.32
  6. Step 6: Final answer
    x = 7,822.93

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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.