Home / 7,992.90-11,025.68-5,003.55

Finding the Fourth Proportional to 7,992.90, 11,025.68 and 5,003.55

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Solution

The fourth proportional to 7,992.90, 11,025.68 and 5,003.55 is: 6,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.90 : 11,025.68 = 5,003.55 : x
  2. Step 2: Convert to fraction form
    7,992.90/11,025.68 = 5,003.55/x
  3. Step 3: Cross multiply
    7,992.90x = 11,025.68 × 5,003.55
  4. Step 4: Simplify right side
    7,992.90x = 55,167,541.16
  5. Step 5: Solve for x
    x = 55,167,541.16/7,992.90
  6. Step 6: Final answer
    x = 6,902.07

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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.