Home / 7,457.81-11,186.73-3,550.37

Finding the Fourth Proportional to 7,457.81, 11,186.73 and 3,550.37

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Solution

The fourth proportional to 7,457.81, 11,186.73 and 3,550.37 is: 5,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.81 : 11,186.73 = 3,550.37 : x
  2. Step 2: Convert to fraction form
    7,457.81/11,186.73 = 3,550.37/x
  3. Step 3: Cross multiply
    7,457.81x = 11,186.73 × 3,550.37
  4. Step 4: Simplify right side
    7,457.81x = 39,716,974.66
  5. Step 5: Solve for x
    x = 39,716,974.66/7,457.81
  6. Step 6: Final answer
    x = 5,325.56

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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.