Home / 8,093.63-11,178.55-5,400.16

Finding the Fourth Proportional to 8,093.63, 11,178.55 and 5,400.16

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Solution

The fourth proportional to 8,093.63, 11,178.55 and 5,400.16 is: 7,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.63 : 11,178.55 = 5,400.16 : x
  2. Step 2: Convert to fraction form
    8,093.63/11,178.55 = 5,400.16/x
  3. Step 3: Cross multiply
    8,093.63x = 11,178.55 × 5,400.16
  4. Step 4: Simplify right side
    8,093.63x = 60,365,958.57
  5. Step 5: Solve for x
    x = 60,365,958.57/8,093.63
  6. Step 6: Final answer
    x = 7,458.45

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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.