Home / 10,081.44-13,908.96-6,541.92

Finding the Fourth Proportional to 10,081.44, 13,908.96 and 6,541.92

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Solution

The fourth proportional to 10,081.44, 13,908.96 and 6,541.92 is: 9,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.44 : 13,908.96 = 6,541.92 : x
  2. Step 2: Convert to fraction form
    10,081.44/13,908.96 = 6,541.92/x
  3. Step 3: Cross multiply
    10,081.44x = 13,908.96 × 6,541.92
  4. Step 4: Simplify right side
    10,081.44x = 90,991,303.60
  5. Step 5: Solve for x
    x = 90,991,303.60/10,081.44
  6. Step 6: Final answer
    x = 9,025.63

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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.