Home / 7,924.07-10,935.21-4,387.50

Finding the Fourth Proportional to 7,924.07, 10,935.21 and 4,387.50

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Solution

The fourth proportional to 7,924.07, 10,935.21 and 4,387.50 is: 6,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.07 : 10,935.21 = 4,387.50 : x
  2. Step 2: Convert to fraction form
    7,924.07/10,935.21 = 4,387.50/x
  3. Step 3: Cross multiply
    7,924.07x = 10,935.21 × 4,387.50
  4. Step 4: Simplify right side
    7,924.07x = 47,978,211.94
  5. Step 5: Solve for x
    x = 47,978,211.94/7,924.07
  6. Step 6: Final answer
    x = 6,054.75

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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.