Home / 11,267.96-15,533.28-7,900.61

Finding the Fourth Proportional to 11,267.96, 15,533.28 and 7,900.61

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Solution

The fourth proportional to 11,267.96, 15,533.28 and 7,900.61 is: 10,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.96 : 15,533.28 = 7,900.61 : x
  2. Step 2: Convert to fraction form
    11,267.96/15,533.28 = 7,900.61/x
  3. Step 3: Cross multiply
    11,267.96x = 15,533.28 × 7,900.61
  4. Step 4: Simplify right side
    11,267.96x = 122,722,309.63
  5. Step 5: Solve for x
    x = 122,722,309.63/11,267.96
  6. Step 6: Final answer
    x = 10,891.27

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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.