Home / 11,238.99-15,515.06-6,522.36

Finding the Fourth Proportional to 11,238.99, 15,515.06 and 6,522.36

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Solution

The fourth proportional to 11,238.99, 15,515.06 and 6,522.36 is: 9,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.99 : 15,515.06 = 6,522.36 : x
  2. Step 2: Convert to fraction form
    11,238.99/15,515.06 = 6,522.36/x
  3. Step 3: Cross multiply
    11,238.99x = 15,515.06 × 6,522.36
  4. Step 4: Simplify right side
    11,238.99x = 101,194,774.13
  5. Step 5: Solve for x
    x = 101,194,774.13/11,238.99
  6. Step 6: Final answer
    x = 9,003.90

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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.