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Finding the Fourth Proportional to 8,364.86, 11,514.53 and 7,230.01

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Solution

The fourth proportional to 8,364.86, 11,514.53 and 7,230.01 is: 9,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.86 : 11,514.53 = 7,230.01 : x
  2. Step 2: Convert to fraction form
    8,364.86/11,514.53 = 7,230.01/x
  3. Step 3: Cross multiply
    8,364.86x = 11,514.53 × 7,230.01
  4. Step 4: Simplify right side
    8,364.86x = 83,250,167.05
  5. Step 5: Solve for x
    x = 83,250,167.05/8,364.86
  6. Step 6: Final answer
    x = 9,952.37

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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.