Home / 7,946.84-11,915.68-3,013.32

Finding the Fourth Proportional to 7,946.84, 11,915.68 and 3,013.32

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Solution

The fourth proportional to 7,946.84, 11,915.68 and 3,013.32 is: 4,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.84 : 11,915.68 = 3,013.32 : x
  2. Step 2: Convert to fraction form
    7,946.84/11,915.68 = 3,013.32/x
  3. Step 3: Cross multiply
    7,946.84x = 11,915.68 × 3,013.32
  4. Step 4: Simplify right side
    7,946.84x = 35,905,756.86
  5. Step 5: Solve for x
    x = 35,905,756.86/7,946.84
  6. Step 6: Final answer
    x = 4,518.24

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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.