Home / 12,292.46-16,962.69-6,986.25

Finding the Fourth Proportional to 12,292.46, 16,962.69 and 6,986.25

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Solution

The fourth proportional to 12,292.46, 16,962.69 and 6,986.25 is: 9,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.46 : 16,962.69 = 6,986.25 : x
  2. Step 2: Convert to fraction form
    12,292.46/16,962.69 = 6,986.25/x
  3. Step 3: Cross multiply
    12,292.46x = 16,962.69 × 6,986.25
  4. Step 4: Simplify right side
    12,292.46x = 118,505,599.56
  5. Step 5: Solve for x
    x = 118,505,599.56/12,292.46
  6. Step 6: Final answer
    x = 9,640.51

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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.