Home / 12,237.71-18,357.27-3,471.94

Finding the Fourth Proportional to 12,237.71, 18,357.27 and 3,471.94

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Solution

The fourth proportional to 12,237.71, 18,357.27 and 3,471.94 is: 5,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.71 : 18,357.27 = 3,471.94 : x
  2. Step 2: Convert to fraction form
    12,237.71/18,357.27 = 3,471.94/x
  3. Step 3: Cross multiply
    12,237.71x = 18,357.27 × 3,471.94
  4. Step 4: Simplify right side
    12,237.71x = 63,735,294.11
  5. Step 5: Solve for x
    x = 63,735,294.11/12,237.71
  6. Step 6: Final answer
    x = 5,208.11

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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.