Home / 12,262.52-16,921.10-6,883.72

Finding the Fourth Proportional to 12,262.52, 16,921.10 and 6,883.72

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Solution

The fourth proportional to 12,262.52, 16,921.10 and 6,883.72 is: 9,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.52 : 16,921.10 = 6,883.72 : x
  2. Step 2: Convert to fraction form
    12,262.52/16,921.10 = 6,883.72/x
  3. Step 3: Cross multiply
    12,262.52x = 16,921.10 × 6,883.72
  4. Step 4: Simplify right side
    12,262.52x = 116,480,114.49
  5. Step 5: Solve for x
    x = 116,480,114.49/12,262.52
  6. Step 6: Final answer
    x = 9,498.87

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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.