Home / 11,835.86-16,333.49-6,530.65

Finding the Fourth Proportional to 11,835.86, 16,333.49 and 6,530.65

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Solution

The fourth proportional to 11,835.86, 16,333.49 and 6,530.65 is: 9,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.86 : 16,333.49 = 6,530.65 : x
  2. Step 2: Convert to fraction form
    11,835.86/16,333.49 = 6,530.65/x
  3. Step 3: Cross multiply
    11,835.86x = 16,333.49 × 6,530.65
  4. Step 4: Simplify right side
    11,835.86x = 106,668,281.96
  5. Step 5: Solve for x
    x = 106,668,281.96/11,835.86
  6. Step 6: Final answer
    x = 9,012.30

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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.