Home / 9,181.24-12,670.96-5,203.64

Finding the Fourth Proportional to 9,181.24, 12,670.96 and 5,203.64

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Solution

The fourth proportional to 9,181.24, 12,670.96 and 5,203.64 is: 7,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.24 : 12,670.96 = 5,203.64 : x
  2. Step 2: Convert to fraction form
    9,181.24/12,670.96 = 5,203.64/x
  3. Step 3: Cross multiply
    9,181.24x = 12,670.96 × 5,203.64
  4. Step 4: Simplify right side
    9,181.24x = 65,935,114.29
  5. Step 5: Solve for x
    x = 65,935,114.29/9,181.24
  6. Step 6: Final answer
    x = 7,181.50

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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.