Home / 10,079.70-15,113.64-3,057.60

Finding the Fourth Proportional to 10,079.70, 15,113.64 and 3,057.60

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Solution

The fourth proportional to 10,079.70, 15,113.64 and 3,057.60 is: 4,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.70 : 15,113.64 = 3,057.60 : x
  2. Step 2: Convert to fraction form
    10,079.70/15,113.64 = 3,057.60/x
  3. Step 3: Cross multiply
    10,079.70x = 15,113.64 × 3,057.60
  4. Step 4: Simplify right side
    10,079.70x = 46,211,465.66
  5. Step 5: Solve for x
    x = 46,211,465.66/10,079.70
  6. Step 6: Final answer
    x = 4,584.61

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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.