Home / 9,928.46-13,700.25-5,949.47

Finding the Fourth Proportional to 9,928.46, 13,700.25 and 5,949.47

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Solution

The fourth proportional to 9,928.46, 13,700.25 and 5,949.47 is: 8,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.46 : 13,700.25 = 5,949.47 : x
  2. Step 2: Convert to fraction form
    9,928.46/13,700.25 = 5,949.47/x
  3. Step 3: Cross multiply
    9,928.46x = 13,700.25 × 5,949.47
  4. Step 4: Simplify right side
    9,928.46x = 81,509,157.87
  5. Step 5: Solve for x
    x = 81,509,157.87/9,928.46
  6. Step 6: Final answer
    x = 8,209.65

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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.