Home / 10,025.21-15,026.68-5,084.64

Finding the Fourth Proportional to 10,025.21, 15,026.68 and 5,084.64

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Solution

The fourth proportional to 10,025.21, 15,026.68 and 5,084.64 is: 7,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.21 : 15,026.68 = 5,084.64 : x
  2. Step 2: Convert to fraction form
    10,025.21/15,026.68 = 5,084.64/x
  3. Step 3: Cross multiply
    10,025.21x = 15,026.68 × 5,084.64
  4. Step 4: Simplify right side
    10,025.21x = 76,405,258.20
  5. Step 5: Solve for x
    x = 76,405,258.20/10,025.21
  6. Step 6: Final answer
    x = 7,621.31

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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.