Home / 7,828.54-10,803.72-4,684.12

Finding the Fourth Proportional to 7,828.54, 10,803.72 and 4,684.12

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Solution

The fourth proportional to 7,828.54, 10,803.72 and 4,684.12 is: 6,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.54 : 10,803.72 = 4,684.12 : x
  2. Step 2: Convert to fraction form
    7,828.54/10,803.72 = 4,684.12/x
  3. Step 3: Cross multiply
    7,828.54x = 10,803.72 × 4,684.12
  4. Step 4: Simplify right side
    7,828.54x = 50,605,920.93
  5. Step 5: Solve for x
    x = 50,605,920.93/7,828.54
  6. Step 6: Final answer
    x = 6,464.29

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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.