Home / 11,862.45-16,370.82-6,557.76

Finding the Fourth Proportional to 11,862.45, 16,370.82 and 6,557.76

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Solution

The fourth proportional to 11,862.45, 16,370.82 and 6,557.76 is: 9,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.45 : 16,370.82 = 6,557.76 : x
  2. Step 2: Convert to fraction form
    11,862.45/16,370.82 = 6,557.76/x
  3. Step 3: Cross multiply
    11,862.45x = 16,370.82 × 6,557.76
  4. Step 4: Simplify right side
    11,862.45x = 107,355,908.56
  5. Step 5: Solve for x
    x = 107,355,908.56/11,862.45
  6. Step 6: Final answer
    x = 9,050.06

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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.