Home / 12,883.75-19,332.20-6,136.97

Finding the Fourth Proportional to 12,883.75, 19,332.20 and 6,136.97

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Solution

The fourth proportional to 12,883.75, 19,332.20 and 6,136.97 is: 9,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.75 : 19,332.20 = 6,136.97 : x
  2. Step 2: Convert to fraction form
    12,883.75/19,332.20 = 6,136.97/x
  3. Step 3: Cross multiply
    12,883.75x = 19,332.20 × 6,136.97
  4. Step 4: Simplify right side
    12,883.75x = 118,641,050.12
  5. Step 5: Solve for x
    x = 118,641,050.12/12,883.75
  6. Step 6: Final answer
    x = 9,208.58

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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.