Home / 11,968.61-17,946.92-6,972.68

Finding the Fourth Proportional to 11,968.61, 17,946.92 and 6,972.68

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Solution

The fourth proportional to 11,968.61, 17,946.92 and 6,972.68 is: 10,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.61 : 17,946.92 = 6,972.68 : x
  2. Step 2: Convert to fraction form
    11,968.61/17,946.92 = 6,972.68/x
  3. Step 3: Cross multiply
    11,968.61x = 17,946.92 × 6,972.68
  4. Step 4: Simplify right side
    11,968.61x = 125,138,005.55
  5. Step 5: Solve for x
    x = 125,138,005.55/11,968.61
  6. Step 6: Final answer
    x = 10,455.52

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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.