Home / 11,895.71-16,416.11-6,590.42

Finding the Fourth Proportional to 11,895.71, 16,416.11 and 6,590.42

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Solution

The fourth proportional to 11,895.71, 16,416.11 and 6,590.42 is: 9,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.71 : 16,416.11 = 6,590.42 : x
  2. Step 2: Convert to fraction form
    11,895.71/16,416.11 = 6,590.42/x
  3. Step 3: Cross multiply
    11,895.71x = 16,416.11 × 6,590.42
  4. Step 4: Simplify right side
    11,895.71x = 108,189,026.71
  5. Step 5: Solve for x
    x = 108,189,026.71/11,895.71
  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.