Home / 9,518.56-13,134.08-5,979.26

Finding the Fourth Proportional to 9,518.56, 13,134.08 and 5,979.26

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Solution

The fourth proportional to 9,518.56, 13,134.08 and 5,979.26 is: 8,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.56 : 13,134.08 = 5,979.26 : x
  2. Step 2: Convert to fraction form
    9,518.56/13,134.08 = 5,979.26/x
  3. Step 3: Cross multiply
    9,518.56x = 13,134.08 × 5,979.26
  4. Step 4: Simplify right side
    9,518.56x = 78,532,079.18
  5. Step 5: Solve for x
    x = 78,532,079.18/9,518.56
  6. Step 6: Final answer
    x = 8,250.42

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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.