Home / 11,775.32-16,242.72-6,992.01

Finding the Fourth Proportional to 11,775.32, 16,242.72 and 6,992.01

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Solution

The fourth proportional to 11,775.32, 16,242.72 and 6,992.01 is: 9,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.32 : 16,242.72 = 6,992.01 : x
  2. Step 2: Convert to fraction form
    11,775.32/16,242.72 = 6,992.01/x
  3. Step 3: Cross multiply
    11,775.32x = 16,242.72 × 6,992.01
  4. Step 4: Simplify right side
    11,775.32x = 113,569,260.67
  5. Step 5: Solve for x
    x = 113,569,260.67/11,775.32
  6. Step 6: Final answer
    x = 9,644.69

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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.