Home / 9,235.36-12,741.64-5,255.48

Finding the Fourth Proportional to 9,235.36, 12,741.64 and 5,255.48

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Solution

The fourth proportional to 9,235.36, 12,741.64 and 5,255.48 is: 7,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.36 : 12,741.64 = 5,255.48 : x
  2. Step 2: Convert to fraction form
    9,235.36/12,741.64 = 5,255.48/x
  3. Step 3: Cross multiply
    9,235.36x = 12,741.64 × 5,255.48
  4. Step 4: Simplify right side
    9,235.36x = 66,963,344.20
  5. Step 5: Solve for x
    x = 66,963,344.20/9,235.36
  6. Step 6: Final answer
    x = 7,250.76

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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.