Home / 11,887.62-16,403.31-6,582.30

Finding the Fourth Proportional to 11,887.62, 16,403.31 and 6,582.30

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Solution

The fourth proportional to 11,887.62, 16,403.31 and 6,582.30 is: 9,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.62 : 16,403.31 = 6,582.30 : x
  2. Step 2: Convert to fraction form
    11,887.62/16,403.31 = 6,582.30/x
  3. Step 3: Cross multiply
    11,887.62x = 16,403.31 × 6,582.30
  4. Step 4: Simplify right side
    11,887.62x = 107,971,507.41
  5. Step 5: Solve for x
    x = 107,971,507.41/11,887.62
  6. Step 6: Final answer
    x = 9,082.68

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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.