Home / 6,522.18-9,784.08-2,138.12

Finding the Fourth Proportional to 6,522.18, 9,784.08 and 2,138.12

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Solution

The fourth proportional to 6,522.18, 9,784.08 and 2,138.12 is: 3,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.18 : 9,784.08 = 2,138.12 : x
  2. Step 2: Convert to fraction form
    6,522.18/9,784.08 = 2,138.12/x
  3. Step 3: Cross multiply
    6,522.18x = 9,784.08 × 2,138.12
  4. Step 4: Simplify right side
    6,522.18x = 20,919,537.13
  5. Step 5: Solve for x
    x = 20,919,537.13/6,522.18
  6. Step 6: Final answer
    x = 3,207.45

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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.