Home / 11,023.45-15,212.49-5,987.68

Finding the Fourth Proportional to 11,023.45, 15,212.49 and 5,987.68

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Solution

The fourth proportional to 11,023.45, 15,212.49 and 5,987.68 is: 8,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.45 : 15,212.49 = 5,987.68 : x
  2. Step 2: Convert to fraction form
    11,023.45/15,212.49 = 5,987.68/x
  3. Step 3: Cross multiply
    11,023.45x = 15,212.49 × 5,987.68
  4. Step 4: Simplify right side
    11,023.45x = 91,087,522.12
  5. Step 5: Solve for x
    x = 91,087,522.12/11,023.45
  6. Step 6: Final answer
    x = 8,263.07

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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.