Home / 12,239.52-18,356.76-3,472.08

Finding the Fourth Proportional to 12,239.52, 18,356.76 and 3,472.08

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Solution

The fourth proportional to 12,239.52, 18,356.76 and 3,472.08 is: 5,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.52 : 18,356.76 = 3,472.08 : x
  2. Step 2: Convert to fraction form
    12,239.52/18,356.76 = 3,472.08/x
  3. Step 3: Cross multiply
    12,239.52x = 18,356.76 × 3,472.08
  4. Step 4: Simplify right side
    12,239.52x = 63,736,139.26
  5. Step 5: Solve for x
    x = 63,736,139.26/12,239.52
  6. Step 6: Final answer
    x = 5,207.41

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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.