Home / 6,255.51-9,383.70-5,156.53

Finding the Fourth Proportional to 6,255.51, 9,383.70 and 5,156.53

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Solution

The fourth proportional to 6,255.51, 9,383.70 and 5,156.53 is: 7,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.51 : 9,383.70 = 5,156.53 : x
  2. Step 2: Convert to fraction form
    6,255.51/9,383.70 = 5,156.53/x
  3. Step 3: Cross multiply
    6,255.51x = 9,383.70 × 5,156.53
  4. Step 4: Simplify right side
    6,255.51x = 48,387,330.56
  5. Step 5: Solve for x
    x = 48,387,330.56/6,255.51
  6. Step 6: Final answer
    x = 7,735.15

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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.