Home / 9,892.32-13,647.04-5,911.44

Finding the Fourth Proportional to 9,892.32, 13,647.04 and 5,911.44

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Solution

The fourth proportional to 9,892.32, 13,647.04 and 5,911.44 is: 8,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.32 : 13,647.04 = 5,911.44 : x
  2. Step 2: Convert to fraction form
    9,892.32/13,647.04 = 5,911.44/x
  3. Step 3: Cross multiply
    9,892.32x = 13,647.04 × 5,911.44
  4. Step 4: Simplify right side
    9,892.32x = 80,673,658.14
  5. Step 5: Solve for x
    x = 80,673,658.14/9,892.32
  6. Step 6: Final answer
    x = 8,155.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.