Home / 12,459.85-17,194.39-6,794.61

Finding the Fourth Proportional to 12,459.85, 17,194.39 and 6,794.61

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Solution

The fourth proportional to 12,459.85, 17,194.39 and 6,794.61 is: 9,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.85 : 17,194.39 = 6,794.61 : x
  2. Step 2: Convert to fraction form
    12,459.85/17,194.39 = 6,794.61/x
  3. Step 3: Cross multiply
    12,459.85x = 17,194.39 × 6,794.61
  4. Step 4: Simplify right side
    12,459.85x = 116,829,140.26
  5. Step 5: Solve for x
    x = 116,829,140.26/12,459.85
  6. Step 6: Final answer
    x = 9,376.45

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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.