Home / 7,985.34-11,976.48-4,694.60

Finding the Fourth Proportional to 7,985.34, 11,976.48 and 4,694.60

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Solution

The fourth proportional to 7,985.34, 11,976.48 and 4,694.60 is: 7,040.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.34 : 11,976.48 = 4,694.60 : x
  2. Step 2: Convert to fraction form
    7,985.34/11,976.48 = 4,694.60/x
  3. Step 3: Cross multiply
    7,985.34x = 11,976.48 × 4,694.60
  4. Step 4: Simplify right side
    7,985.34x = 56,224,723.13
  5. Step 5: Solve for x
    x = 56,224,723.13/7,985.34
  6. Step 6: Final answer
    x = 7,040.99

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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.