Home / 12,012.98-16,577.57-6,707.69

Finding the Fourth Proportional to 12,012.98, 16,577.57 and 6,707.69

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Solution

The fourth proportional to 12,012.98, 16,577.57 and 6,707.69 is: 9,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.98 : 16,577.57 = 6,707.69 : x
  2. Step 2: Convert to fraction form
    12,012.98/16,577.57 = 6,707.69/x
  3. Step 3: Cross multiply
    12,012.98x = 16,577.57 × 6,707.69
  4. Step 4: Simplify right side
    12,012.98x = 111,197,084.09
  5. Step 5: Solve for x
    x = 111,197,084.09/12,012.98
  6. Step 6: Final answer
    x = 9,256.42

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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.