Home / 6,155.49-9,221.62-4,908.45

Finding the Fourth Proportional to 6,155.49, 9,221.62 and 4,908.45

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Solution

The fourth proportional to 6,155.49, 9,221.62 and 4,908.45 is: 7,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.49 : 9,221.62 = 4,908.45 : x
  2. Step 2: Convert to fraction form
    6,155.49/9,221.62 = 4,908.45/x
  3. Step 3: Cross multiply
    6,155.49x = 9,221.62 × 4,908.45
  4. Step 4: Simplify right side
    6,155.49x = 45,263,854.14
  5. Step 5: Solve for x
    x = 45,263,854.14/6,155.49
  6. Step 6: Final answer
    x = 7,353.41

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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.