Home / 11,278.44-15,562.84-6,497.08

Finding the Fourth Proportional to 11,278.44, 15,562.84 and 6,497.08

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Solution

The fourth proportional to 11,278.44, 15,562.84 and 6,497.08 is: 8,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.44 : 15,562.84 = 6,497.08 : x
  2. Step 2: Convert to fraction form
    11,278.44/15,562.84 = 6,497.08/x
  3. Step 3: Cross multiply
    11,278.44x = 15,562.84 × 6,497.08
  4. Step 4: Simplify right side
    11,278.44x = 101,113,016.51
  5. Step 5: Solve for x
    x = 101,113,016.51/11,278.44
  6. Step 6: Final answer
    x = 8,965.16

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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.