Home / 12,228.05-18,349.37-4,437.47

Finding the Fourth Proportional to 12,228.05, 18,349.37 and 4,437.47

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Solution

The fourth proportional to 12,228.05, 18,349.37 and 4,437.47 is: 6,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.05 : 18,349.37 = 4,437.47 : x
  2. Step 2: Convert to fraction form
    12,228.05/18,349.37 = 4,437.47/x
  3. Step 3: Cross multiply
    12,228.05x = 18,349.37 × 4,437.47
  4. Step 4: Simplify right side
    12,228.05x = 81,424,664.96
  5. Step 5: Solve for x
    x = 81,424,664.96/12,228.05
  6. Step 6: Final answer
    x = 6,658.85

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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.