Home / 11,835.38-16,332.92-6,530.39

Finding the Fourth Proportional to 11,835.38, 16,332.92 and 6,530.39

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Solution

The fourth proportional to 11,835.38, 16,332.92 and 6,530.39 is: 9,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.38 : 16,332.92 = 6,530.39 : x
  2. Step 2: Convert to fraction form
    11,835.38/16,332.92 = 6,530.39/x
  3. Step 3: Cross multiply
    11,835.38x = 16,332.92 × 6,530.39
  4. Step 4: Simplify right side
    11,835.38x = 106,660,223.12
  5. Step 5: Solve for x
    x = 106,660,223.12/11,835.38
  6. Step 6: Final answer
    x = 9,011.99

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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.