Home / 8,332.08-11,478.24-7,005.84

Finding the Fourth Proportional to 8,332.08, 11,478.24 and 7,005.84

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Solution

The fourth proportional to 8,332.08, 11,478.24 and 7,005.84 is: 9,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.08 : 11,478.24 = 7,005.84 : x
  2. Step 2: Convert to fraction form
    8,332.08/11,478.24 = 7,005.84/x
  3. Step 3: Cross multiply
    8,332.08x = 11,478.24 × 7,005.84
  4. Step 4: Simplify right side
    8,332.08x = 80,414,712.92
  5. Step 5: Solve for x
    x = 80,414,712.92/8,332.08
  6. Step 6: Final answer
    x = 9,651.22

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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.