Home / 11,894.82-16,415.78-6,590.13

Finding the Fourth Proportional to 11,894.82, 16,415.78 and 6,590.13

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Solution

The fourth proportional to 11,894.82, 16,415.78 and 6,590.13 is: 9,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.82 : 16,415.78 = 6,590.13 : x
  2. Step 2: Convert to fraction form
    11,894.82/16,415.78 = 6,590.13/x
  3. Step 3: Cross multiply
    11,894.82x = 16,415.78 × 6,590.13
  4. Step 4: Simplify right side
    11,894.82x = 108,182,091.30
  5. Step 5: Solve for x
    x = 108,182,091.30/11,894.82
  6. Step 6: Final answer
    x = 9,094.89

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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.