Home / 10,077.78-15,116.19-3,057.48

Finding the Fourth Proportional to 10,077.78, 15,116.19 and 3,057.48

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Solution

The fourth proportional to 10,077.78, 15,116.19 and 3,057.48 is: 4,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.78 : 15,116.19 = 3,057.48 : x
  2. Step 2: Convert to fraction form
    10,077.78/15,116.19 = 3,057.48/x
  3. Step 3: Cross multiply
    10,077.78x = 15,116.19 × 3,057.48
  4. Step 4: Simplify right side
    10,077.78x = 46,217,448.60
  5. Step 5: Solve for x
    x = 46,217,448.60/10,077.78
  6. Step 6: Final answer
    x = 4,586.07

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1.5x scale

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.