Home / 9,181.53-12,669.79-5,203.27

Finding the Fourth Proportional to 9,181.53, 12,669.79 and 5,203.27

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Solution

The fourth proportional to 9,181.53, 12,669.79 and 5,203.27 is: 7,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.53 : 12,669.79 = 5,203.27 : x
  2. Step 2: Convert to fraction form
    9,181.53/12,669.79 = 5,203.27/x
  3. Step 3: Cross multiply
    9,181.53x = 12,669.79 × 5,203.27
  4. Step 4: Simplify right side
    9,181.53x = 65,924,338.21
  5. Step 5: Solve for x
    x = 65,924,338.21/9,181.53
  6. Step 6: Final answer
    x = 7,180.10

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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.