Home / 12,767.96-19,159.18-6,928.60

Finding the Fourth Proportional to 12,767.96, 19,159.18 and 6,928.60

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Solution

The fourth proportional to 12,767.96, 19,159.18 and 6,928.60 is: 10,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.96 : 19,159.18 = 6,928.60 : x
  2. Step 2: Convert to fraction form
    12,767.96/19,159.18 = 6,928.60/x
  3. Step 3: Cross multiply
    12,767.96x = 19,159.18 × 6,928.60
  4. Step 4: Simplify right side
    12,767.96x = 132,746,294.55
  5. Step 5: Solve for x
    x = 132,746,294.55/12,767.96
  6. Step 6: Final answer
    x = 10,396.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.