Home / 12,068.08-16,651.92-6,763.12

Finding the Fourth Proportional to 12,068.08, 16,651.92 and 6,763.12

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Solution

The fourth proportional to 12,068.08, 16,651.92 and 6,763.12 is: 9,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.08 : 16,651.92 = 6,763.12 : x
  2. Step 2: Convert to fraction form
    12,068.08/16,651.92 = 6,763.12/x
  3. Step 3: Cross multiply
    12,068.08x = 16,651.92 × 6,763.12
  4. Step 4: Simplify right side
    12,068.08x = 112,618,933.19
  5. Step 5: Solve for x
    x = 112,618,933.19/12,068.08
  6. Step 6: Final answer
    x = 9,331.97

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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.