Home / 10,377.32-14,322.54-6,128.11

Finding the Fourth Proportional to 10,377.32, 14,322.54 and 6,128.11

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Solution

The fourth proportional to 10,377.32, 14,322.54 and 6,128.11 is: 8,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.32 : 14,322.54 = 6,128.11 : x
  2. Step 2: Convert to fraction form
    10,377.32/14,322.54 = 6,128.11/x
  3. Step 3: Cross multiply
    10,377.32x = 14,322.54 × 6,128.11
  4. Step 4: Simplify right side
    10,377.32x = 87,770,100.60
  5. Step 5: Solve for x
    x = 87,770,100.60/10,377.32
  6. Step 6: Final answer
    x = 8,457.88

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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.