Home / 10,768.32-16,143.84-4,104.48

Finding the Fourth Proportional to 10,768.32, 16,143.84 and 4,104.48

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Solution

The fourth proportional to 10,768.32, 16,143.84 and 4,104.48 is: 6,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.32 : 16,143.84 = 4,104.48 : x
  2. Step 2: Convert to fraction form
    10,768.32/16,143.84 = 4,104.48/x
  3. Step 3: Cross multiply
    10,768.32x = 16,143.84 × 4,104.48
  4. Step 4: Simplify right side
    10,768.32x = 66,262,068.40
  5. Step 5: Solve for x
    x = 66,262,068.40/10,768.32
  6. Step 6: Final answer
    x = 6,153.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.