Home / 10,083.06-15,121.53-6,982.98

Finding the Fourth Proportional to 10,083.06, 15,121.53 and 6,982.98

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Solution

The fourth proportional to 10,083.06, 15,121.53 and 6,982.98 is: 10,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.06 : 15,121.53 = 6,982.98 : x
  2. Step 2: Convert to fraction form
    10,083.06/15,121.53 = 6,982.98/x
  3. Step 3: Cross multiply
    10,083.06x = 15,121.53 × 6,982.98
  4. Step 4: Simplify right side
    10,083.06x = 105,593,341.56
  5. Step 5: Solve for x
    x = 105,593,341.56/10,083.06
  6. Step 6: Final answer
    x = 10,472.35

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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.