Home / 7,615.17-11,422.99-2,068.49

Finding the Fourth Proportional to 7,615.17, 11,422.99 and 2,068.49

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Solution

The fourth proportional to 7,615.17, 11,422.99 and 2,068.49 is: 3,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.17 : 11,422.99 = 2,068.49 : x
  2. Step 2: Convert to fraction form
    7,615.17/11,422.99 = 2,068.49/x
  3. Step 3: Cross multiply
    7,615.17x = 11,422.99 × 2,068.49
  4. Step 4: Simplify right side
    7,615.17x = 23,628,371.73
  5. Step 5: Solve for x
    x = 23,628,371.73/7,615.17
  6. Step 6: Final answer
    x = 3,102.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.