Home / 12,014.75-16,581.09-6,709.56

Finding the Fourth Proportional to 12,014.75, 16,581.09 and 6,709.56

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Solution

The fourth proportional to 12,014.75, 16,581.09 and 6,709.56 is: 9,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.75 : 16,581.09 = 6,709.56 : x
  2. Step 2: Convert to fraction form
    12,014.75/16,581.09 = 6,709.56/x
  3. Step 3: Cross multiply
    12,014.75x = 16,581.09 × 6,709.56
  4. Step 4: Simplify right side
    12,014.75x = 111,251,818.22
  5. Step 5: Solve for x
    x = 111,251,818.22/12,014.75
  6. Step 6: Final answer
    x = 9,259.60

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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.