Home / 7,928.87-11,900.69-4,036.19

Finding the Fourth Proportional to 7,928.87, 11,900.69 and 4,036.19

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Solution

The fourth proportional to 7,928.87, 11,900.69 and 4,036.19 is: 6,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.87 : 11,900.69 = 4,036.19 : x
  2. Step 2: Convert to fraction form
    7,928.87/11,900.69 = 4,036.19/x
  3. Step 3: Cross multiply
    7,928.87x = 11,900.69 × 4,036.19
  4. Step 4: Simplify right side
    7,928.87x = 48,033,425.79
  5. Step 5: Solve for x
    x = 48,033,425.79/7,928.87
  6. Step 6: Final answer
    x = 6,058.04

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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.