Home / 11,907.17-16,431.35-6,601.88

Finding the Fourth Proportional to 11,907.17, 16,431.35 and 6,601.88

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Solution

The fourth proportional to 11,907.17, 16,431.35 and 6,601.88 is: 9,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.17 : 16,431.35 = 6,601.88 : x
  2. Step 2: Convert to fraction form
    11,907.17/16,431.35 = 6,601.88/x
  3. Step 3: Cross multiply
    11,907.17x = 16,431.35 × 6,601.88
  4. Step 4: Simplify right side
    11,907.17x = 108,477,685.77
  5. Step 5: Solve for x
    x = 108,477,685.77/11,907.17
  6. Step 6: Final answer
    x = 9,110.29

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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.