Home / 7,007.27-9,662.49-6,903.86

Finding the Fourth Proportional to 7,007.27, 9,662.49 and 6,903.86

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Solution

The fourth proportional to 7,007.27, 9,662.49 and 6,903.86 is: 9,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.27 : 9,662.49 = 6,903.86 : x
  2. Step 2: Convert to fraction form
    7,007.27/9,662.49 = 6,903.86/x
  3. Step 3: Cross multiply
    7,007.27x = 9,662.49 × 6,903.86
  4. Step 4: Simplify right side
    7,007.27x = 66,708,429.90
  5. Step 5: Solve for x
    x = 66,708,429.90/7,007.27
  6. Step 6: Final answer
    x = 9,519.90

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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.