Home / 7,821.36-10,793.18-4,675.68

Finding the Fourth Proportional to 7,821.36, 10,793.18 and 4,675.68

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Solution

The fourth proportional to 7,821.36, 10,793.18 and 4,675.68 is: 6,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.36 : 10,793.18 = 4,675.68 : x
  2. Step 2: Convert to fraction form
    7,821.36/10,793.18 = 4,675.68/x
  3. Step 3: Cross multiply
    7,821.36x = 10,793.18 × 4,675.68
  4. Step 4: Simplify right side
    7,821.36x = 50,465,455.86
  5. Step 5: Solve for x
    x = 50,465,455.86/7,821.36
  6. Step 6: Final answer
    x = 6,452.26

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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.