Home / 7,968.38-10,996.36-4,432.12

Finding the Fourth Proportional to 7,968.38, 10,996.36 and 4,432.12

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Solution

The fourth proportional to 7,968.38, 10,996.36 and 4,432.12 is: 6,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.38 : 10,996.36 = 4,432.12 : x
  2. Step 2: Convert to fraction form
    7,968.38/10,996.36 = 4,432.12/x
  3. Step 3: Cross multiply
    7,968.38x = 10,996.36 × 4,432.12
  4. Step 4: Simplify right side
    7,968.38x = 48,737,148.51
  5. Step 5: Solve for x
    x = 48,737,148.51/7,968.38
  6. Step 6: Final answer
    x = 6,116.32

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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.