Home / 11,907.56-16,431.58-6,529.14

Finding the Fourth Proportional to 11,907.56, 16,431.58 and 6,529.14

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Solution

The fourth proportional to 11,907.56, 16,431.58 and 6,529.14 is: 9,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.56 : 16,431.58 = 6,529.14 : x
  2. Step 2: Convert to fraction form
    11,907.56/16,431.58 = 6,529.14/x
  3. Step 3: Cross multiply
    11,907.56x = 16,431.58 × 6,529.14
  4. Step 4: Simplify right side
    11,907.56x = 107,284,086.24
  5. Step 5: Solve for x
    x = 107,284,086.24/11,907.56
  6. Step 6: Final answer
    x = 9,009.75

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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.