Home / 8,327.05-11,485.70-5,346.51

Finding the Fourth Proportional to 8,327.05, 11,485.70 and 5,346.51

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Solution

The fourth proportional to 8,327.05, 11,485.70 and 5,346.51 is: 7,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.05 : 11,485.70 = 5,346.51 : x
  2. Step 2: Convert to fraction form
    8,327.05/11,485.70 = 5,346.51/x
  3. Step 3: Cross multiply
    8,327.05x = 11,485.70 × 5,346.51
  4. Step 4: Simplify right side
    8,327.05x = 61,408,360.15
  5. Step 5: Solve for x
    x = 61,408,360.15/8,327.05
  6. Step 6: Final answer
    x = 7,374.56

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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.