Home / 12,072.80-16,652.12-8,495.23

Finding the Fourth Proportional to 12,072.80, 16,652.12 and 8,495.23

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Solution

The fourth proportional to 12,072.80, 16,652.12 and 8,495.23 is: 11,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.80 : 16,652.12 = 8,495.23 : x
  2. Step 2: Convert to fraction form
    12,072.80/16,652.12 = 8,495.23/x
  3. Step 3: Cross multiply
    12,072.80x = 16,652.12 × 8,495.23
  4. Step 4: Simplify right side
    12,072.80x = 141,463,536.50
  5. Step 5: Solve for x
    x = 141,463,536.50/12,072.80
  6. Step 6: Final answer
    x = 11,717.54

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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.