Home / 11,709.09-16,153.65-7,676.90

Finding the Fourth Proportional to 11,709.09, 16,153.65 and 7,676.90

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Solution

The fourth proportional to 11,709.09, 16,153.65 and 7,676.90 is: 10,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.09 : 16,153.65 = 7,676.90 : x
  2. Step 2: Convert to fraction form
    11,709.09/16,153.65 = 7,676.90/x
  3. Step 3: Cross multiply
    11,709.09x = 16,153.65 × 7,676.90
  4. Step 4: Simplify right side
    11,709.09x = 124,009,874.92
  5. Step 5: Solve for x
    x = 124,009,874.92/11,709.09
  6. Step 6: Final answer
    x = 10,590.91

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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.