Home / 11,962.25-16,507.51-6,656.96

Finding the Fourth Proportional to 11,962.25, 16,507.51 and 6,656.96

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Solution

The fourth proportional to 11,962.25, 16,507.51 and 6,656.96 is: 9,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.25 : 16,507.51 = 6,656.96 : x
  2. Step 2: Convert to fraction form
    11,962.25/16,507.51 = 6,656.96/x
  3. Step 3: Cross multiply
    11,962.25x = 16,507.51 × 6,656.96
  4. Step 4: Simplify right side
    11,962.25x = 109,889,734.59
  5. Step 5: Solve for x
    x = 109,889,734.59/11,962.25
  6. Step 6: Final answer
    x = 9,186.37

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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.