Home / 10,861.06-14,989.58-6,144.43

Finding the Fourth Proportional to 10,861.06, 14,989.58 and 6,144.43

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Solution

The fourth proportional to 10,861.06, 14,989.58 and 6,144.43 is: 8,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.06 : 14,989.58 = 6,144.43 : x
  2. Step 2: Convert to fraction form
    10,861.06/14,989.58 = 6,144.43/x
  3. Step 3: Cross multiply
    10,861.06x = 14,989.58 × 6,144.43
  4. Step 4: Simplify right side
    10,861.06x = 92,102,394.32
  5. Step 5: Solve for x
    x = 92,102,394.32/10,861.06
  6. Step 6: Final answer
    x = 8,480.06

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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.