Home / 10,081.41-13,911.68-5,604.99

Finding the Fourth Proportional to 10,081.41, 13,911.68 and 5,604.99

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Solution

The fourth proportional to 10,081.41, 13,911.68 and 5,604.99 is: 7,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.41 : 13,911.68 = 5,604.99 : x
  2. Step 2: Convert to fraction form
    10,081.41/13,911.68 = 5,604.99/x
  3. Step 3: Cross multiply
    10,081.41x = 13,911.68 × 5,604.99
  4. Step 4: Simplify right side
    10,081.41x = 77,974,867.38
  5. Step 5: Solve for x
    x = 77,974,867.38/10,081.41
  6. Step 6: Final answer
    x = 7,734.52

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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.