Home / 7,415.74-11,117.67-3,716.07

Finding the Fourth Proportional to 7,415.74, 11,117.67 and 3,716.07

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Solution

The fourth proportional to 7,415.74, 11,117.67 and 3,716.07 is: 5,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.74 : 11,117.67 = 3,716.07 : x
  2. Step 2: Convert to fraction form
    7,415.74/11,117.67 = 3,716.07/x
  3. Step 3: Cross multiply
    7,415.74x = 11,117.67 × 3,716.07
  4. Step 4: Simplify right side
    7,415.74x = 41,314,039.96
  5. Step 5: Solve for x
    x = 41,314,039.96/7,415.74
  6. Step 6: Final answer
    x = 5,571.13

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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.