Home / 11,895.96-16,416.21-6,590.76

Finding the Fourth Proportional to 11,895.96, 16,416.21 and 6,590.76

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Solution

The fourth proportional to 11,895.96, 16,416.21 and 6,590.76 is: 9,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.96 : 16,416.21 = 6,590.76 : x
  2. Step 2: Convert to fraction form
    11,895.96/16,416.21 = 6,590.76/x
  3. Step 3: Cross multiply
    11,895.96x = 16,416.21 × 6,590.76
  4. Step 4: Simplify right side
    11,895.96x = 108,195,300.22
  5. Step 5: Solve for x
    x = 108,195,300.22/11,895.96
  6. Step 6: Final answer
    x = 9,095.13

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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.