Home / 9,609.75-13,261.09-5,360.74

Finding the Fourth Proportional to 9,609.75, 13,261.09 and 5,360.74

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Solution

The fourth proportional to 9,609.75, 13,261.09 and 5,360.74 is: 7,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609.75 : 13,261.09 = 5,360.74 : x
  2. Step 2: Convert to fraction form
    9,609.75/13,261.09 = 5,360.74/x
  3. Step 3: Cross multiply
    9,609.75x = 13,261.09 × 5,360.74
  4. Step 4: Simplify right side
    9,609.75x = 71,089,209.05
  5. Step 5: Solve for x
    x = 71,089,209.05/9,609.75
  6. Step 6: Final answer
    x = 7,397.61

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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.