Home / 12,012.75-16,577.53-6,707.57

Finding the Fourth Proportional to 12,012.75, 16,577.53 and 6,707.57

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Solution

The fourth proportional to 12,012.75, 16,577.53 and 6,707.57 is: 9,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.75 : 16,577.53 = 6,707.57 : x
  2. Step 2: Convert to fraction form
    12,012.75/16,577.53 = 6,707.57/x
  3. Step 3: Cross multiply
    12,012.75x = 16,577.53 × 6,707.57
  4. Step 4: Simplify right side
    12,012.75x = 111,194,862.11
  5. Step 5: Solve for x
    x = 111,194,862.11/12,012.75
  6. Step 6: Final answer
    x = 9,256.41

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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.