Home / 10,130.43-15,201.09-4,936.30

Finding the Fourth Proportional to 10,130.43, 15,201.09 and 4,936.30

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Solution

The fourth proportional to 10,130.43, 15,201.09 and 4,936.30 is: 7,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.43 : 15,201.09 = 4,936.30 : x
  2. Step 2: Convert to fraction form
    10,130.43/15,201.09 = 4,936.30/x
  3. Step 3: Cross multiply
    10,130.43x = 15,201.09 × 4,936.30
  4. Step 4: Simplify right side
    10,130.43x = 75,037,140.57
  5. Step 5: Solve for x
    x = 75,037,140.57/10,130.43
  6. Step 6: Final answer
    x = 7,407.10

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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.