Home / 8,915.37-12,303.27-4,936.74

Finding the Fourth Proportional to 8,915.37, 12,303.27 and 4,936.74

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Solution

The fourth proportional to 8,915.37, 12,303.27 and 4,936.74 is: 6,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.37 : 12,303.27 = 4,936.74 : x
  2. Step 2: Convert to fraction form
    8,915.37/12,303.27 = 4,936.74/x
  3. Step 3: Cross multiply
    8,915.37x = 12,303.27 × 4,936.74
  4. Step 4: Simplify right side
    8,915.37x = 60,738,045.14
  5. Step 5: Solve for x
    x = 60,738,045.14/8,915.37
  6. Step 6: Final answer
    x = 6,812.73

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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.