Home / 9,822.68-13,556.04-5,631.56

Finding the Fourth Proportional to 9,822.68, 13,556.04 and 5,631.56

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Solution

The fourth proportional to 9,822.68, 13,556.04 and 5,631.56 is: 7,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.68 : 13,556.04 = 5,631.56 : x
  2. Step 2: Convert to fraction form
    9,822.68/13,556.04 = 5,631.56/x
  3. Step 3: Cross multiply
    9,822.68x = 13,556.04 × 5,631.56
  4. Step 4: Simplify right side
    9,822.68x = 76,341,652.62
  5. Step 5: Solve for x
    x = 76,341,652.62/9,822.68
  6. Step 6: Final answer
    x = 7,771.98

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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.