Home / 9,519.02-13,134.70-5,979.74

Finding the Fourth Proportional to 9,519.02, 13,134.70 and 5,979.74

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Solution

The fourth proportional to 9,519.02, 13,134.70 and 5,979.74 is: 8,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.02 : 13,134.70 = 5,979.74 : x
  2. Step 2: Convert to fraction form
    9,519.02/13,134.70 = 5,979.74/x
  3. Step 3: Cross multiply
    9,519.02x = 13,134.70 × 5,979.74
  4. Step 4: Simplify right side
    9,519.02x = 78,542,090.98
  5. Step 5: Solve for x
    x = 78,542,090.98/9,519.02
  6. Step 6: Final answer
    x = 8,251.07

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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.