Home / 10,323.97-15,485.92-2,928.43

Finding the Fourth Proportional to 10,323.97, 15,485.92 and 2,928.43

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Solution

The fourth proportional to 10,323.97, 15,485.92 and 2,928.43 is: 4,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.97 : 15,485.92 = 2,928.43 : x
  2. Step 2: Convert to fraction form
    10,323.97/15,485.92 = 2,928.43/x
  3. Step 3: Cross multiply
    10,323.97x = 15,485.92 × 2,928.43
  4. Step 4: Simplify right side
    10,323.97x = 45,349,432.71
  5. Step 5: Solve for x
    x = 45,349,432.71/10,323.97
  6. Step 6: Final answer
    x = 4,392.64

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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.