Home / 7,924.74-10,936.62-4,387.98

Finding the Fourth Proportional to 7,924.74, 10,936.62 and 4,387.98

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Solution

The fourth proportional to 7,924.74, 10,936.62 and 4,387.98 is: 6,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.74 : 10,936.62 = 4,387.98 : x
  2. Step 2: Convert to fraction form
    7,924.74/10,936.62 = 4,387.98/x
  3. Step 3: Cross multiply
    7,924.74x = 10,936.62 × 4,387.98
  4. Step 4: Simplify right side
    7,924.74x = 47,989,669.83
  5. Step 5: Solve for x
    x = 47,989,669.83/7,924.74
  6. Step 6: Final answer
    x = 6,055.68

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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.