Home / 9,022.40-13,533.66-3,179.12

Finding the Fourth Proportional to 9,022.40, 13,533.66 and 3,179.12

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Solution

The fourth proportional to 9,022.40, 13,533.66 and 3,179.12 is: 4,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.40 : 13,533.66 = 3,179.12 : x
  2. Step 2: Convert to fraction form
    9,022.40/13,533.66 = 3,179.12/x
  3. Step 3: Cross multiply
    9,022.40x = 13,533.66 × 3,179.12
  4. Step 4: Simplify right side
    9,022.40x = 43,025,129.18
  5. Step 5: Solve for x
    x = 43,025,129.18/9,022.40
  6. Step 6: Final answer
    x = 4,768.70

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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.