Home / 12,258.18-16,917.02-6,882.38

Finding the Fourth Proportional to 12,258.18, 16,917.02 and 6,882.38

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Solution

The fourth proportional to 12,258.18, 16,917.02 and 6,882.38 is: 9,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.18 : 16,917.02 = 6,882.38 : x
  2. Step 2: Convert to fraction form
    12,258.18/16,917.02 = 6,882.38/x
  3. Step 3: Cross multiply
    12,258.18x = 16,917.02 × 6,882.38
  4. Step 4: Simplify right side
    12,258.18x = 116,429,292.73
  5. Step 5: Solve for x
    x = 116,429,292.73/12,258.18
  6. Step 6: Final answer
    x = 9,498.09

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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.