Home / 7,558.56-11,332.40-3,812.68

Finding the Fourth Proportional to 7,558.56, 11,332.40 and 3,812.68

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Solution

The fourth proportional to 7,558.56, 11,332.40 and 3,812.68 is: 5,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.56 : 11,332.40 = 3,812.68 : x
  2. Step 2: Convert to fraction form
    7,558.56/11,332.40 = 3,812.68/x
  3. Step 3: Cross multiply
    7,558.56x = 11,332.40 × 3,812.68
  4. Step 4: Simplify right side
    7,558.56x = 43,206,814.83
  5. Step 5: Solve for x
    x = 43,206,814.83/7,558.56
  6. Step 6: Final answer
    x = 5,716.28

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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.