Home / 6,915.24-10,363.98-4,143.48

Finding the Fourth Proportional to 6,915.24, 10,363.98 and 4,143.48

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Solution

The fourth proportional to 6,915.24, 10,363.98 and 4,143.48 is: 6,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.24 : 10,363.98 = 4,143.48 : x
  2. Step 2: Convert to fraction form
    6,915.24/10,363.98 = 4,143.48/x
  3. Step 3: Cross multiply
    6,915.24x = 10,363.98 × 4,143.48
  4. Step 4: Simplify right side
    6,915.24x = 42,942,943.85
  5. Step 5: Solve for x
    x = 42,942,943.85/6,915.24
  6. Step 6: Final answer
    x = 6,209.90

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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.