Home / 9,279.12-13,900.75-5,770.52

Finding the Fourth Proportional to 9,279.12, 13,900.75 and 5,770.52

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Solution

The fourth proportional to 9,279.12, 13,900.75 and 5,770.52 is: 8,644.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.12 : 13,900.75 = 5,770.52 : x
  2. Step 2: Convert to fraction form
    9,279.12/13,900.75 = 5,770.52/x
  3. Step 3: Cross multiply
    9,279.12x = 13,900.75 × 5,770.52
  4. Step 4: Simplify right side
    9,279.12x = 80,214,602.28
  5. Step 5: Solve for x
    x = 80,214,602.28/9,279.12
  6. Step 6: Final answer
    x = 8,644.63

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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.