Home / 9,201.72-12,701.24-5,225.48

Finding the Fourth Proportional to 9,201.72, 12,701.24 and 5,225.48

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Solution

The fourth proportional to 9,201.72, 12,701.24 and 5,225.48 is: 7,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.72 : 12,701.24 = 5,225.48 : x
  2. Step 2: Convert to fraction form
    9,201.72/12,701.24 = 5,225.48/x
  3. Step 3: Cross multiply
    9,201.72x = 12,701.24 × 5,225.48
  4. Step 4: Simplify right side
    9,201.72x = 66,370,075.60
  5. Step 5: Solve for x
    x = 66,370,075.60/9,201.72
  6. Step 6: Final answer
    x = 7,212.79

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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.