Home / 9,240.21-12,751.74-5,261.22

Finding the Fourth Proportional to 9,240.21, 12,751.74 and 5,261.22

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Solution

The fourth proportional to 9,240.21, 12,751.74 and 5,261.22 is: 7,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.21 : 12,751.74 = 5,261.22 : x
  2. Step 2: Convert to fraction form
    9,240.21/12,751.74 = 5,261.22/x
  3. Step 3: Cross multiply
    9,240.21x = 12,751.74 × 5,261.22
  4. Step 4: Simplify right side
    9,240.21x = 67,089,709.52
  5. Step 5: Solve for x
    x = 67,089,709.52/9,240.21
  6. Step 6: Final answer
    x = 7,260.63

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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.