Home / 10,930.46-16,395.69-5,080.24

Finding the Fourth Proportional to 10,930.46, 16,395.69 and 5,080.24

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Solution

The fourth proportional to 10,930.46, 16,395.69 and 5,080.24 is: 7,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.46 : 16,395.69 = 5,080.24 : x
  2. Step 2: Convert to fraction form
    10,930.46/16,395.69 = 5,080.24/x
  3. Step 3: Cross multiply
    10,930.46x = 16,395.69 × 5,080.24
  4. Step 4: Simplify right side
    10,930.46x = 83,294,040.17
  5. Step 5: Solve for x
    x = 83,294,040.17/10,930.46
  6. Step 6: Final answer
    x = 7,620.36

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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.