Home / 11,242.07-15,513.84-6,206.45

Finding the Fourth Proportional to 11,242.07, 15,513.84 and 6,206.45

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Solution

The fourth proportional to 11,242.07, 15,513.84 and 6,206.45 is: 8,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.07 : 15,513.84 = 6,206.45 : x
  2. Step 2: Convert to fraction form
    11,242.07/15,513.84 = 6,206.45/x
  3. Step 3: Cross multiply
    11,242.07x = 15,513.84 × 6,206.45
  4. Step 4: Simplify right side
    11,242.07x = 96,285,794.70
  5. Step 5: Solve for x
    x = 96,285,794.70/11,242.07
  6. Step 6: Final answer
    x = 8,564.78

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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.