Home / 12,039.88-16,613.54-6,735.68

Finding the Fourth Proportional to 12,039.88, 16,613.54 and 6,735.68

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Solution

The fourth proportional to 12,039.88, 16,613.54 and 6,735.68 is: 9,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.88 : 16,613.54 = 6,735.68 : x
  2. Step 2: Convert to fraction form
    12,039.88/16,613.54 = 6,735.68/x
  3. Step 3: Cross multiply
    12,039.88x = 16,613.54 × 6,735.68
  4. Step 4: Simplify right side
    12,039.88x = 111,903,489.11
  5. Step 5: Solve for x
    x = 111,903,489.11/12,039.88
  6. Step 6: Final answer
    x = 9,294.40

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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.