Home / 12,072.08-16,657.48-6,767.12

Finding the Fourth Proportional to 12,072.08, 16,657.48 and 6,767.12

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Solution

The fourth proportional to 12,072.08, 16,657.48 and 6,767.12 is: 9,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.08 : 16,657.48 = 6,767.12 : x
  2. Step 2: Convert to fraction form
    12,072.08/16,657.48 = 6,767.12/x
  3. Step 3: Cross multiply
    12,072.08x = 16,657.48 × 6,767.12
  4. Step 4: Simplify right side
    12,072.08x = 112,723,166.06
  5. Step 5: Solve for x
    x = 112,723,166.06/12,072.08
  6. Step 6: Final answer
    x = 9,337.51

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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.