Home / 11,011.29-15,208.19-7,251.26

Finding the Fourth Proportional to 11,011.29, 15,208.19 and 7,251.26

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Solution

The fourth proportional to 11,011.29, 15,208.19 and 7,251.26 is: 10,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.29 : 15,208.19 = 7,251.26 : x
  2. Step 2: Convert to fraction form
    11,011.29/15,208.19 = 7,251.26/x
  3. Step 3: Cross multiply
    11,011.29x = 15,208.19 × 7,251.26
  4. Step 4: Simplify right side
    11,011.29x = 110,278,539.82
  5. Step 5: Solve for x
    x = 110,278,539.82/11,011.29
  6. Step 6: Final answer
    x = 10,015.04

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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.