Home / 7,985.59-11,976.86-4,694.85

Finding the Fourth Proportional to 7,985.59, 11,976.86 and 4,694.85

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Solution

The fourth proportional to 7,985.59, 11,976.86 and 4,694.85 is: 7,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.59 : 11,976.86 = 4,694.85 : x
  2. Step 2: Convert to fraction form
    7,985.59/11,976.86 = 4,694.85/x
  3. Step 3: Cross multiply
    7,985.59x = 11,976.86 × 4,694.85
  4. Step 4: Simplify right side
    7,985.59x = 56,229,477.81
  5. Step 5: Solve for x
    x = 56,229,477.81/7,985.59
  6. Step 6: Final answer
    x = 7,041.37

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1.5x scale

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.