Home / 8,915.36-12,303.27-4,936.70

Finding the Fourth Proportional to 8,915.36, 12,303.27 and 4,936.70

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Solution

The fourth proportional to 8,915.36, 12,303.27 and 4,936.70 is: 6,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.36 : 12,303.27 = 4,936.70 : x
  2. Step 2: Convert to fraction form
    8,915.36/12,303.27 = 4,936.70/x
  3. Step 3: Cross multiply
    8,915.36x = 12,303.27 × 4,936.70
  4. Step 4: Simplify right side
    8,915.36x = 60,737,491.49
  5. Step 5: Solve for x
    x = 60,737,491.49/8,915.36
  6. Step 6: Final answer
    x = 6,812.68

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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.