Home / 11,895.20-16,415.36-6,590.36

Finding the Fourth Proportional to 11,895.20, 16,415.36 and 6,590.36

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Solution

The fourth proportional to 11,895.20, 16,415.36 and 6,590.36 is: 9,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.20 : 16,415.36 = 6,590.36 : x
  2. Step 2: Convert to fraction form
    11,895.20/16,415.36 = 6,590.36/x
  3. Step 3: Cross multiply
    11,895.20x = 16,415.36 × 6,590.36
  4. Step 4: Simplify right side
    11,895.20x = 108,183,016.90
  5. Step 5: Solve for x
    x = 108,183,016.90/11,895.20
  6. Step 6: Final answer
    x = 9,094.68

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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.