Home / 12,272.88-16,937.04-6,967.92

Finding the Fourth Proportional to 12,272.88, 16,937.04 and 6,967.92

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Solution

The fourth proportional to 12,272.88, 16,937.04 and 6,967.92 is: 9,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.88 : 16,937.04 = 6,967.92 : x
  2. Step 2: Convert to fraction form
    12,272.88/16,937.04 = 6,967.92/x
  3. Step 3: Cross multiply
    12,272.88x = 16,937.04 × 6,967.92
  4. Step 4: Simplify right side
    12,272.88x = 118,015,939.76
  5. Step 5: Solve for x
    x = 118,015,939.76/12,272.88
  6. Step 6: Final answer
    x = 9,615.99

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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.