Home / 12,150.55-16,767.69-6,847.08

Finding the Fourth Proportional to 12,150.55, 16,767.69 and 6,847.08

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Solution

The fourth proportional to 12,150.55, 16,767.69 and 6,847.08 is: 9,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.55 : 16,767.69 = 6,847.08 : x
  2. Step 2: Convert to fraction form
    12,150.55/16,767.69 = 6,847.08/x
  3. Step 3: Cross multiply
    12,150.55x = 16,767.69 × 6,847.08
  4. Step 4: Simplify right side
    12,150.55x = 114,809,596.77
  5. Step 5: Solve for x
    x = 114,809,596.77/12,150.55
  6. Step 6: Final answer
    x = 9,448.92

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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.