Home / 7,076.72-10,614.54-2,915.66

Finding the Fourth Proportional to 7,076.72, 10,614.54 and 2,915.66

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Solution

The fourth proportional to 7,076.72, 10,614.54 and 2,915.66 is: 4,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.72 : 10,614.54 = 2,915.66 : x
  2. Step 2: Convert to fraction form
    7,076.72/10,614.54 = 2,915.66/x
  3. Step 3: Cross multiply
    7,076.72x = 10,614.54 × 2,915.66
  4. Step 4: Simplify right side
    7,076.72x = 30,948,389.70
  5. Step 5: Solve for x
    x = 30,948,389.70/7,076.72
  6. Step 6: Final answer
    x = 4,373.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.