Home / 11,609.15-16,020.65-6,304.05

Finding the Fourth Proportional to 11,609.15, 16,020.65 and 6,304.05

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Solution

The fourth proportional to 11,609.15, 16,020.65 and 6,304.05 is: 8,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.15 : 16,020.65 = 6,304.05 : x
  2. Step 2: Convert to fraction form
    11,609.15/16,020.65 = 6,304.05/x
  3. Step 3: Cross multiply
    11,609.15x = 16,020.65 × 6,304.05
  4. Step 4: Simplify right side
    11,609.15x = 100,994,994.39
  5. Step 5: Solve for x
    x = 100,994,994.39/11,609.15
  6. Step 6: Final answer
    x = 8,699.61

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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.