Home / 8,208.53-11,317.89-5,692.81

Finding the Fourth Proportional to 8,208.53, 11,317.89 and 5,692.81

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Solution

The fourth proportional to 8,208.53, 11,317.89 and 5,692.81 is: 7,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.53 : 11,317.89 = 5,692.81 : x
  2. Step 2: Convert to fraction form
    8,208.53/11,317.89 = 5,692.81/x
  3. Step 3: Cross multiply
    8,208.53x = 11,317.89 × 5,692.81
  4. Step 4: Simplify right side
    8,208.53x = 64,430,597.37
  5. Step 5: Solve for x
    x = 64,430,597.37/8,208.53
  6. Step 6: Final answer
    x = 7,849.22

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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.