Home / 13,249.59-18,284.87-7,586.17

Finding the Fourth Proportional to 13,249.59, 18,284.87 and 7,586.17

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Solution

The fourth proportional to 13,249.59, 18,284.87 and 7,586.17 is: 10,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.59 : 18,284.87 = 7,586.17 : x
  2. Step 2: Convert to fraction form
    13,249.59/18,284.87 = 7,586.17/x
  3. Step 3: Cross multiply
    13,249.59x = 18,284.87 × 7,586.17
  4. Step 4: Simplify right side
    13,249.59x = 138,712,105.50
  5. Step 5: Solve for x
    x = 138,712,105.50/13,249.59
  6. Step 6: Final answer
    x = 10,469.17

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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.