Home / 7,906.05-11,855.84-2,973.06

Finding the Fourth Proportional to 7,906.05, 11,855.84 and 2,973.06

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Solution

The fourth proportional to 7,906.05, 11,855.84 and 2,973.06 is: 4,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.05 : 11,855.84 = 2,973.06 : x
  2. Step 2: Convert to fraction form
    7,906.05/11,855.84 = 2,973.06/x
  3. Step 3: Cross multiply
    7,906.05x = 11,855.84 × 2,973.06
  4. Step 4: Simplify right side
    7,906.05x = 35,248,108.81
  5. Step 5: Solve for x
    x = 35,248,108.81/7,906.05
  6. Step 6: Final answer
    x = 4,458.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.