Home / 9,240.94-12,749.29-5,261.04

Finding the Fourth Proportional to 9,240.94, 12,749.29 and 5,261.04

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Solution

The fourth proportional to 9,240.94, 12,749.29 and 5,261.04 is: 7,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.94 : 12,749.29 = 5,261.04 : x
  2. Step 2: Convert to fraction form
    9,240.94/12,749.29 = 5,261.04/x
  3. Step 3: Cross multiply
    9,240.94x = 12,749.29 × 5,261.04
  4. Step 4: Simplify right side
    9,240.94x = 67,074,524.66
  5. Step 5: Solve for x
    x = 67,074,524.66/9,240.94
  6. Step 6: Final answer
    x = 7,258.41

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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.