Home / 7,913.98-10,932.87-6,246.46

Finding the Fourth Proportional to 7,913.98, 10,932.87 and 6,246.46

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Solution

The fourth proportional to 7,913.98, 10,932.87 and 6,246.46 is: 8,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.98 : 10,932.87 = 6,246.46 : x
  2. Step 2: Convert to fraction form
    7,913.98/10,932.87 = 6,246.46/x
  3. Step 3: Cross multiply
    7,913.98x = 10,932.87 × 6,246.46
  4. Step 4: Simplify right side
    7,913.98x = 68,291,735.14
  5. Step 5: Solve for x
    x = 68,291,735.14/7,913.98
  6. Step 6: Final answer
    x = 8,629.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.