Home / 11,907.12-16,431.96-6,602.10

Finding the Fourth Proportional to 11,907.12, 16,431.96 and 6,602.10

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Solution

The fourth proportional to 11,907.12, 16,431.96 and 6,602.10 is: 9,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.12 : 16,431.96 = 6,602.10 : x
  2. Step 2: Convert to fraction form
    11,907.12/16,431.96 = 6,602.10/x
  3. Step 3: Cross multiply
    11,907.12x = 16,431.96 × 6,602.10
  4. Step 4: Simplify right side
    11,907.12x = 108,485,443.12
  5. Step 5: Solve for x
    x = 108,485,443.12/11,907.12
  6. Step 6: Final answer
    x = 9,110.97

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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.