Home / 9,550.12-13,178.96-5,571.68

Finding the Fourth Proportional to 9,550.12, 13,178.96 and 5,571.68

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Solution

The fourth proportional to 9,550.12, 13,178.96 and 5,571.68 is: 7,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,550.12 : 13,178.96 = 5,571.68 : x
  2. Step 2: Convert to fraction form
    9,550.12/13,178.96 = 5,571.68/x
  3. Step 3: Cross multiply
    9,550.12x = 13,178.96 × 5,571.68
  4. Step 4: Simplify right side
    9,550.12x = 73,428,947.85
  5. Step 5: Solve for x
    x = 73,428,947.85/9,550.12
  6. Step 6: Final answer
    x = 7,688.80

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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.