Home / 12,039.30-16,615.26-6,734.52

Finding the Fourth Proportional to 12,039.30, 16,615.26 and 6,734.52

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Solution

The fourth proportional to 12,039.30, 16,615.26 and 6,734.52 is: 9,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.30 : 16,615.26 = 6,734.52 : x
  2. Step 2: Convert to fraction form
    12,039.30/16,615.26 = 6,734.52/x
  3. Step 3: Cross multiply
    12,039.30x = 16,615.26 × 6,734.52
  4. Step 4: Simplify right side
    12,039.30x = 111,895,800.78
  5. Step 5: Solve for x
    x = 111,895,800.78/12,039.30
  6. Step 6: Final answer
    x = 9,294.21

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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.