Home / 12,015.09-16,580.03-6,708.87

Finding the Fourth Proportional to 12,015.09, 16,580.03 and 6,708.87

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Solution

The fourth proportional to 12,015.09, 16,580.03 and 6,708.87 is: 9,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.09 : 16,580.03 = 6,708.87 : x
  2. Step 2: Convert to fraction form
    12,015.09/16,580.03 = 6,708.87/x
  3. Step 3: Cross multiply
    12,015.09x = 16,580.03 × 6,708.87
  4. Step 4: Simplify right side
    12,015.09x = 111,233,232.32
  5. Step 5: Solve for x
    x = 111,233,232.32/12,015.09
  6. Step 6: Final answer
    x = 9,257.79

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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.