Home / 7,550.75-11,270.68-6,664.01

Finding the Fourth Proportional to 7,550.75, 11,270.68 and 6,664.01

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Solution

The fourth proportional to 7,550.75, 11,270.68 and 6,664.01 is: 9,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.75 : 11,270.68 = 6,664.01 : x
  2. Step 2: Convert to fraction form
    7,550.75/11,270.68 = 6,664.01/x
  3. Step 3: Cross multiply
    7,550.75x = 11,270.68 × 6,664.01
  4. Step 4: Simplify right side
    7,550.75x = 75,107,851.21
  5. Step 5: Solve for x
    x = 75,107,851.21/7,550.75
  6. Step 6: Final answer
    x = 9,947.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.