Home / 8,613.73-11,885.16-5,633.94

Finding the Fourth Proportional to 8,613.73, 11,885.16 and 5,633.94

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Solution

The fourth proportional to 8,613.73, 11,885.16 and 5,633.94 is: 7,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.73 : 11,885.16 = 5,633.94 : x
  2. Step 2: Convert to fraction form
    8,613.73/11,885.16 = 5,633.94/x
  3. Step 3: Cross multiply
    8,613.73x = 11,885.16 × 5,633.94
  4. Step 4: Simplify right side
    8,613.73x = 66,960,278.33
  5. Step 5: Solve for x
    x = 66,960,278.33/8,613.73
  6. Step 6: Final answer
    x = 7,773.67

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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.