Home / 12,192.90-18,287.04-5,946.64

Finding the Fourth Proportional to 12,192.90, 18,287.04 and 5,946.64

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Solution

The fourth proportional to 12,192.90, 18,287.04 and 5,946.64 is: 8,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.90 : 18,287.04 = 5,946.64 : x
  2. Step 2: Convert to fraction form
    12,192.90/18,287.04 = 5,946.64/x
  3. Step 3: Cross multiply
    12,192.90x = 18,287.04 × 5,946.64
  4. Step 4: Simplify right side
    12,192.90x = 108,746,443.55
  5. Step 5: Solve for x
    x = 108,746,443.55/12,192.90
  6. Step 6: Final answer
    x = 8,918.83

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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.