Home / 7,903.44-10,915.55-6,132.33

Finding the Fourth Proportional to 7,903.44, 10,915.55 and 6,132.33

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Solution

The fourth proportional to 7,903.44, 10,915.55 and 6,132.33 is: 8,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.44 : 10,915.55 = 6,132.33 : x
  2. Step 2: Convert to fraction form
    7,903.44/10,915.55 = 6,132.33/x
  3. Step 3: Cross multiply
    7,903.44x = 10,915.55 × 6,132.33
  4. Step 4: Simplify right side
    7,903.44x = 66,937,740.05
  5. Step 5: Solve for x
    x = 66,937,740.05/7,903.44
  6. Step 6: Final answer
    x = 8,469.45

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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.