Home / 11,895.45-16,415.84-6,590.38

Finding the Fourth Proportional to 11,895.45, 16,415.84 and 6,590.38

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Solution

The fourth proportional to 11,895.45, 16,415.84 and 6,590.38 is: 9,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.45 : 16,415.84 = 6,590.38 : x
  2. Step 2: Convert to fraction form
    11,895.45/16,415.84 = 6,590.38/x
  3. Step 3: Cross multiply
    11,895.45x = 16,415.84 × 6,590.38
  4. Step 4: Simplify right side
    11,895.45x = 108,186,623.62
  5. Step 5: Solve for x
    x = 108,186,623.62/11,895.45
  6. Step 6: Final answer
    x = 9,094.79

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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.