Home / 9,361.26-12,921.33-5,587.07

Finding the Fourth Proportional to 9,361.26, 12,921.33 and 5,587.07

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Solution

The fourth proportional to 9,361.26, 12,921.33 and 5,587.07 is: 7,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.26 : 12,921.33 = 5,587.07 : x
  2. Step 2: Convert to fraction form
    9,361.26/12,921.33 = 5,587.07/x
  3. Step 3: Cross multiply
    9,361.26x = 12,921.33 × 5,587.07
  4. Step 4: Simplify right side
    9,361.26x = 72,192,310.60
  5. Step 5: Solve for x
    x = 72,192,310.60/9,361.26
  6. Step 6: Final answer
    x = 7,711.82

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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.