Home / 10,861.52-14,990.30-6,083.28

Finding the Fourth Proportional to 10,861.52, 14,990.30 and 6,083.28

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Solution

The fourth proportional to 10,861.52, 14,990.30 and 6,083.28 is: 8,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.52 : 14,990.30 = 6,083.28 : x
  2. Step 2: Convert to fraction form
    10,861.52/14,990.30 = 6,083.28/x
  3. Step 3: Cross multiply
    10,861.52x = 14,990.30 × 6,083.28
  4. Step 4: Simplify right side
    10,861.52x = 91,190,161.77
  5. Step 5: Solve for x
    x = 91,190,161.77/10,861.52
  6. Step 6: Final answer
    x = 8,395.71

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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.