Home / 9,609.90-13,261.68-5,360.84

Finding the Fourth Proportional to 9,609.90, 13,261.68 and 5,360.84

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Solution

The fourth proportional to 9,609.90, 13,261.68 and 5,360.84 is: 7,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609.90 : 13,261.68 = 5,360.84 : x
  2. Step 2: Convert to fraction form
    9,609.90/13,261.68 = 5,360.84/x
  3. Step 3: Cross multiply
    9,609.90x = 13,261.68 × 5,360.84
  4. Step 4: Simplify right side
    9,609.90x = 71,093,744.61
  5. Step 5: Solve for x
    x = 71,093,744.61/9,609.90
  6. Step 6: Final answer
    x = 7,397.97

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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.