Home / 6,117.12-9,173.82-2,220.60

Finding the Fourth Proportional to 6,117.12, 9,173.82 and 2,220.60

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Solution

The fourth proportional to 6,117.12, 9,173.82 and 2,220.60 is: 3,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.12 : 9,173.82 = 2,220.60 : x
  2. Step 2: Convert to fraction form
    6,117.12/9,173.82 = 2,220.60/x
  3. Step 3: Cross multiply
    6,117.12x = 9,173.82 × 2,220.60
  4. Step 4: Simplify right side
    6,117.12x = 20,371,384.69
  5. Step 5: Solve for x
    x = 20,371,384.69/6,117.12
  6. Step 6: Final answer
    x = 3,330.22

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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.