Home / 7,776.98-11,665.46-1,933.59

Finding the Fourth Proportional to 7,776.98, 11,665.46 and 1,933.59

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Solution

The fourth proportional to 7,776.98, 11,665.46 and 1,933.59 is: 2,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.98 : 11,665.46 = 1,933.59 : x
  2. Step 2: Convert to fraction form
    7,776.98/11,665.46 = 1,933.59/x
  3. Step 3: Cross multiply
    7,776.98x = 11,665.46 × 1,933.59
  4. Step 4: Simplify right side
    7,776.98x = 22,556,148.81
  5. Step 5: Solve for x
    x = 22,556,148.81/7,776.98
  6. Step 6: Final answer
    x = 2,900.38

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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.