Home / 10,451.24-15,678.32-3,056.25

Finding the Fourth Proportional to 10,451.24, 15,678.32 and 3,056.25

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Solution

The fourth proportional to 10,451.24, 15,678.32 and 3,056.25 is: 4,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.24 : 15,678.32 = 3,056.25 : x
  2. Step 2: Convert to fraction form
    10,451.24/15,678.32 = 3,056.25/x
  3. Step 3: Cross multiply
    10,451.24x = 15,678.32 × 3,056.25
  4. Step 4: Simplify right side
    10,451.24x = 47,916,873.14
  5. Step 5: Solve for x
    x = 47,916,873.14/10,451.24
  6. Step 6: Final answer
    x = 4,584.80

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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.