Home / 11,804.10-16,291.44-8,966.81

Finding the Fourth Proportional to 11,804.10, 16,291.44 and 8,966.81

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Solution

The fourth proportional to 11,804.10, 16,291.44 and 8,966.81 is: 12,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.10 : 16,291.44 = 8,966.81 : x
  2. Step 2: Convert to fraction form
    11,804.10/16,291.44 = 8,966.81/x
  3. Step 3: Cross multiply
    11,804.10x = 16,291.44 × 8,966.81
  4. Step 4: Simplify right side
    11,804.10x = 146,082,323.35
  5. Step 5: Solve for x
    x = 146,082,323.35/11,804.10
  6. Step 6: Final answer
    x = 12,375.55

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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.