Home / 7,415.52-11,118.03-3,715.10

Finding the Fourth Proportional to 7,415.52, 11,118.03 and 3,715.10

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Solution

The fourth proportional to 7,415.52, 11,118.03 and 3,715.10 is: 5,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.52 : 11,118.03 = 3,715.10 : x
  2. Step 2: Convert to fraction form
    7,415.52/11,118.03 = 3,715.10/x
  3. Step 3: Cross multiply
    7,415.52x = 11,118.03 × 3,715.10
  4. Step 4: Simplify right side
    7,415.52x = 41,304,593.25
  5. Step 5: Solve for x
    x = 41,304,593.25/7,415.52
  6. Step 6: Final answer
    x = 5,570.02

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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.