Home / 10,376.96-14,321.81-6,128.48

Finding the Fourth Proportional to 10,376.96, 14,321.81 and 6,128.48

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Solution

The fourth proportional to 10,376.96, 14,321.81 and 6,128.48 is: 8,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.96 : 14,321.81 = 6,128.48 : x
  2. Step 2: Convert to fraction form
    10,376.96/14,321.81 = 6,128.48/x
  3. Step 3: Cross multiply
    10,376.96x = 14,321.81 × 6,128.48
  4. Step 4: Simplify right side
    10,376.96x = 87,770,889.10
  5. Step 5: Solve for x
    x = 87,770,889.10/10,376.96
  6. Step 6: Final answer
    x = 8,458.25

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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.