Home / 12,242.19-18,361.80-3,358.24

Finding the Fourth Proportional to 12,242.19, 18,361.80 and 3,358.24

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Solution

The fourth proportional to 12,242.19, 18,361.80 and 3,358.24 is: 5,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.19 : 18,361.80 = 3,358.24 : x
  2. Step 2: Convert to fraction form
    12,242.19/18,361.80 = 3,358.24/x
  3. Step 3: Cross multiply
    12,242.19x = 18,361.80 × 3,358.24
  4. Step 4: Simplify right side
    12,242.19x = 61,663,354.60
  5. Step 5: Solve for x
    x = 61,663,354.60/12,242.19
  6. Step 6: Final answer
    x = 5,036.96

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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.