Home / 12,110.30-16,710.27-6,805.10

Finding the Fourth Proportional to 12,110.30, 16,710.27 and 6,805.10

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Solution

The fourth proportional to 12,110.30, 16,710.27 and 6,805.10 is: 9,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.30 : 16,710.27 = 6,805.10 : x
  2. Step 2: Convert to fraction form
    12,110.30/16,710.27 = 6,805.10/x
  3. Step 3: Cross multiply
    12,110.30x = 16,710.27 × 6,805.10
  4. Step 4: Simplify right side
    12,110.30x = 113,715,058.38
  5. Step 5: Solve for x
    x = 113,715,058.38/12,110.30
  6. Step 6: Final answer
    x = 9,389.95

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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.