Home / 9,822.28-13,555.92-5,630.52

Finding the Fourth Proportional to 9,822.28, 13,555.92 and 5,630.52

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Solution

The fourth proportional to 9,822.28, 13,555.92 and 5,630.52 is: 7,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.28 : 13,555.92 = 5,630.52 : x
  2. Step 2: Convert to fraction form
    9,822.28/13,555.92 = 5,630.52/x
  3. Step 3: Cross multiply
    9,822.28x = 13,555.92 × 5,630.52
  4. Step 4: Simplify right side
    9,822.28x = 76,326,878.68
  5. Step 5: Solve for x
    x = 76,326,878.68/9,822.28
  6. Step 6: Final answer
    x = 7,770.79

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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.