Home / 12,012.94-16,575.45-6,707.62

Finding the Fourth Proportional to 12,012.94, 16,575.45 and 6,707.62

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Solution

The fourth proportional to 12,012.94, 16,575.45 and 6,707.62 is: 9,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.94 : 16,575.45 = 6,707.62 : x
  2. Step 2: Convert to fraction form
    12,012.94/16,575.45 = 6,707.62/x
  3. Step 3: Cross multiply
    12,012.94x = 16,575.45 × 6,707.62
  4. Step 4: Simplify right side
    12,012.94x = 111,181,819.93
  5. Step 5: Solve for x
    x = 111,181,819.93/12,012.94
  6. Step 6: Final answer
    x = 9,255.17

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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.