Home / 13,079.97-19,613.81-4,754.12

Finding the Fourth Proportional to 13,079.97, 19,613.81 and 4,754.12

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Solution

The fourth proportional to 13,079.97, 19,613.81 and 4,754.12 is: 7,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.97 : 19,613.81 = 4,754.12 : x
  2. Step 2: Convert to fraction form
    13,079.97/19,613.81 = 4,754.12/x
  3. Step 3: Cross multiply
    13,079.97x = 19,613.81 × 4,754.12
  4. Step 4: Simplify right side
    13,079.97x = 93,246,284.56
  5. Step 5: Solve for x
    x = 93,246,284.56/13,079.97
  6. Step 6: Final answer
    x = 7,128.94

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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.