Home / 9,181.24-12,670.08-5,203.11

Finding the Fourth Proportional to 9,181.24, 12,670.08 and 5,203.11

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Solution

The fourth proportional to 9,181.24, 12,670.08 and 5,203.11 is: 7,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.24 : 12,670.08 = 5,203.11 : x
  2. Step 2: Convert to fraction form
    9,181.24/12,670.08 = 5,203.11/x
  3. Step 3: Cross multiply
    9,181.24x = 12,670.08 × 5,203.11
  4. Step 4: Simplify right side
    9,181.24x = 65,923,867.46
  5. Step 5: Solve for x
    x = 65,923,867.46/9,181.24
  6. Step 6: Final answer
    x = 7,180.28

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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.