Home / 12,371.76-18,556.14-4,975.92

Finding the Fourth Proportional to 12,371.76, 18,556.14 and 4,975.92

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Solution

The fourth proportional to 12,371.76, 18,556.14 and 4,975.92 is: 7,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.76 : 18,556.14 = 4,975.92 : x
  2. Step 2: Convert to fraction form
    12,371.76/18,556.14 = 4,975.92/x
  3. Step 3: Cross multiply
    12,371.76x = 18,556.14 × 4,975.92
  4. Step 4: Simplify right side
    12,371.76x = 92,333,868.15
  5. Step 5: Solve for x
    x = 92,333,868.15/12,371.76
  6. Step 6: Final answer
    x = 7,463.28

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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.