Home / 9,013.02-13,519.56-2,772.99

Finding the Fourth Proportional to 9,013.02, 13,519.56 and 2,772.99

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Solution

The fourth proportional to 9,013.02, 13,519.56 and 2,772.99 is: 4,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.02 : 13,519.56 = 2,772.99 : x
  2. Step 2: Convert to fraction form
    9,013.02/13,519.56 = 2,772.99/x
  3. Step 3: Cross multiply
    9,013.02x = 13,519.56 × 2,772.99
  4. Step 4: Simplify right side
    9,013.02x = 37,489,604.68
  5. Step 5: Solve for x
    x = 37,489,604.68/9,013.02
  6. Step 6: Final answer
    x = 4,159.49

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Double scale
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Similar ratio
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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.