Home / 7,418.16-11,127.36-3,522.96

Finding the Fourth Proportional to 7,418.16, 11,127.36 and 3,522.96

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Solution

The fourth proportional to 7,418.16, 11,127.36 and 3,522.96 is: 5,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.16 : 11,127.36 = 3,522.96 : x
  2. Step 2: Convert to fraction form
    7,418.16/11,127.36 = 3,522.96/x
  3. Step 3: Cross multiply
    7,418.16x = 11,127.36 × 3,522.96
  4. Step 4: Simplify right side
    7,418.16x = 39,201,244.19
  5. Step 5: Solve for x
    x = 39,201,244.19/7,418.16
  6. Step 6: Final answer
    x = 5,284.50

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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.