Home / 10,276.32-15,412.76-3,701.28

Finding the Fourth Proportional to 10,276.32, 15,412.76 and 3,701.28

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Solution

The fourth proportional to 10,276.32, 15,412.76 and 3,701.28 is: 5,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.32 : 15,412.76 = 3,701.28 : x
  2. Step 2: Convert to fraction form
    10,276.32/15,412.76 = 3,701.28/x
  3. Step 3: Cross multiply
    10,276.32x = 15,412.76 × 3,701.28
  4. Step 4: Simplify right side
    10,276.32x = 57,046,940.33
  5. Step 5: Solve for x
    x = 57,046,940.33/10,276.32
  6. Step 6: Final answer
    x = 5,551.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.