Home / 7,728.92-11,598.16-3,048.12

Finding the Fourth Proportional to 7,728.92, 11,598.16 and 3,048.12

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Solution

The fourth proportional to 7,728.92, 11,598.16 and 3,048.12 is: 4,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.92 : 11,598.16 = 3,048.12 : x
  2. Step 2: Convert to fraction form
    7,728.92/11,598.16 = 3,048.12/x
  3. Step 3: Cross multiply
    7,728.92x = 11,598.16 × 3,048.12
  4. Step 4: Simplify right side
    7,728.92x = 35,352,583.46
  5. Step 5: Solve for x
    x = 35,352,583.46/7,728.92
  6. Step 6: Final answer
    x = 4,574.07

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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.