Home / 6,624.01-9,141.36-3,640.12

Finding the Fourth Proportional to 6,624.01, 9,141.36 and 3,640.12

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Solution

The fourth proportional to 6,624.01, 9,141.36 and 3,640.12 is: 5,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.01 : 9,141.36 = 3,640.12 : x
  2. Step 2: Convert to fraction form
    6,624.01/9,141.36 = 3,640.12/x
  3. Step 3: Cross multiply
    6,624.01x = 9,141.36 × 3,640.12
  4. Step 4: Simplify right side
    6,624.01x = 33,275,647.36
  5. Step 5: Solve for x
    x = 33,275,647.36/6,624.01
  6. Step 6: Final answer
    x = 5,023.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.