Home / 12,362.25-18,542.79-4,041.21

Finding the Fourth Proportional to 12,362.25, 18,542.79 and 4,041.21

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Solution

The fourth proportional to 12,362.25, 18,542.79 and 4,041.21 is: 6,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.25 : 18,542.79 = 4,041.21 : x
  2. Step 2: Convert to fraction form
    12,362.25/18,542.79 = 4,041.21/x
  3. Step 3: Cross multiply
    12,362.25x = 18,542.79 × 4,041.21
  4. Step 4: Simplify right side
    12,362.25x = 74,935,308.38
  5. Step 5: Solve for x
    x = 74,935,308.38/12,362.25
  6. Step 6: Final answer
    x = 6,061.62

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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.