Home / 9,518.06-13,134.44-5,211.03

Finding the Fourth Proportional to 9,518.06, 13,134.44 and 5,211.03

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Solution

The fourth proportional to 9,518.06, 13,134.44 and 5,211.03 is: 7,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.06 : 13,134.44 = 5,211.03 : x
  2. Step 2: Convert to fraction form
    9,518.06/13,134.44 = 5,211.03/x
  3. Step 3: Cross multiply
    9,518.06x = 13,134.44 × 5,211.03
  4. Step 4: Simplify right side
    9,518.06x = 68,443,934.82
  5. Step 5: Solve for x
    x = 68,443,934.82/9,518.06
  6. Step 6: Final answer
    x = 7,190.96

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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.