Home / 11,895.78-16,416.22-6,590.70

Finding the Fourth Proportional to 11,895.78, 16,416.22 and 6,590.70

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Solution

The fourth proportional to 11,895.78, 16,416.22 and 6,590.70 is: 9,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.78 : 16,416.22 = 6,590.70 : x
  2. Step 2: Convert to fraction form
    11,895.78/16,416.22 = 6,590.70/x
  3. Step 3: Cross multiply
    11,895.78x = 16,416.22 × 6,590.70
  4. Step 4: Simplify right side
    11,895.78x = 108,194,381.15
  5. Step 5: Solve for x
    x = 108,194,381.15/11,895.78
  6. Step 6: Final answer
    x = 9,095.19

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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.