Home / 12,292.58-18,438.96-4,898.92

Finding the Fourth Proportional to 12,292.58, 18,438.96 and 4,898.92

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Solution

The fourth proportional to 12,292.58, 18,438.96 and 4,898.92 is: 7,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.58 : 18,438.96 = 4,898.92 : x
  2. Step 2: Convert to fraction form
    12,292.58/18,438.96 = 4,898.92/x
  3. Step 3: Cross multiply
    12,292.58x = 18,438.96 × 4,898.92
  4. Step 4: Simplify right side
    12,292.58x = 90,330,897.73
  5. Step 5: Solve for x
    x = 90,330,897.73/12,292.58
  6. Step 6: Final answer
    x = 7,348.41

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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.