Home / 12,156.09-16,775.42-6,567.09

Finding the Fourth Proportional to 12,156.09, 16,775.42 and 6,567.09

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Solution

The fourth proportional to 12,156.09, 16,775.42 and 6,567.09 is: 9,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.09 : 16,775.42 = 6,567.09 : x
  2. Step 2: Convert to fraction form
    12,156.09/16,775.42 = 6,567.09/x
  3. Step 3: Cross multiply
    12,156.09x = 16,775.42 × 6,567.09
  4. Step 4: Simplify right side
    12,156.09x = 110,165,660.09
  5. Step 5: Solve for x
    x = 110,165,660.09/12,156.09
  6. Step 6: Final answer
    x = 9,062.59

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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.