Home / 11,895.83-16,415.70-6,518.24

Finding the Fourth Proportional to 11,895.83, 16,415.70 and 6,518.24

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Solution

The fourth proportional to 11,895.83, 16,415.70 and 6,518.24 is: 8,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.83 : 16,415.70 = 6,518.24 : x
  2. Step 2: Convert to fraction form
    11,895.83/16,415.70 = 6,518.24/x
  3. Step 3: Cross multiply
    11,895.83x = 16,415.70 × 6,518.24
  4. Step 4: Simplify right side
    11,895.83x = 107,001,472.37
  5. Step 5: Solve for x
    x = 107,001,472.37/11,895.83
  6. Step 6: Final answer
    x = 8,994.87

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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.