Home / 6,628.41-9,137.52-4,632.75

Finding the Fourth Proportional to 6,628.41, 9,137.52 and 4,632.75

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Solution

The fourth proportional to 6,628.41, 9,137.52 and 4,632.75 is: 6,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.41 : 9,137.52 = 4,632.75 : x
  2. Step 2: Convert to fraction form
    6,628.41/9,137.52 = 4,632.75/x
  3. Step 3: Cross multiply
    6,628.41x = 9,137.52 × 4,632.75
  4. Step 4: Simplify right side
    6,628.41x = 42,331,845.78
  5. Step 5: Solve for x
    x = 42,331,845.78/6,628.41
  6. Step 6: Final answer
    x = 6,386.43

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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.