Home / 12,214.08-16,855.28-6,625.04

Finding the Fourth Proportional to 12,214.08, 16,855.28 and 6,625.04

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Solution

The fourth proportional to 12,214.08, 16,855.28 and 6,625.04 is: 9,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.08 : 16,855.28 = 6,625.04 : x
  2. Step 2: Convert to fraction form
    12,214.08/16,855.28 = 6,625.04/x
  3. Step 3: Cross multiply
    12,214.08x = 16,855.28 × 6,625.04
  4. Step 4: Simplify right side
    12,214.08x = 111,666,904.21
  5. Step 5: Solve for x
    x = 111,666,904.21/12,214.08
  6. Step 6: Final answer
    x = 9,142.47

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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.