Home / 11,917.74-16,446.60-6,613.08

Finding the Fourth Proportional to 11,917.74, 16,446.60 and 6,613.08

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Solution

The fourth proportional to 11,917.74, 16,446.60 and 6,613.08 is: 9,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.74 : 16,446.60 = 6,613.08 : x
  2. Step 2: Convert to fraction form
    11,917.74/16,446.60 = 6,613.08/x
  3. Step 3: Cross multiply
    11,917.74x = 16,446.60 × 6,613.08
  4. Step 4: Simplify right side
    11,917.74x = 108,762,681.53
  5. Step 5: Solve for x
    x = 108,762,681.53/11,917.74
  6. Step 6: Final answer
    x = 9,126.12

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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.