Home / 10,149.18-15,220.53-3,222.06

Finding the Fourth Proportional to 10,149.18, 15,220.53 and 3,222.06

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Solution

The fourth proportional to 10,149.18, 15,220.53 and 3,222.06 is: 4,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.18 : 15,220.53 = 3,222.06 : x
  2. Step 2: Convert to fraction form
    10,149.18/15,220.53 = 3,222.06/x
  3. Step 3: Cross multiply
    10,149.18x = 15,220.53 × 3,222.06
  4. Step 4: Simplify right side
    10,149.18x = 49,041,460.89
  5. Step 5: Solve for x
    x = 49,041,460.89/10,149.18
  6. Step 6: Final answer
    x = 4,832.06

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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.