Home / 9,822.45-13,555.46-5,790.48

Finding the Fourth Proportional to 9,822.45, 13,555.46 and 5,790.48

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Solution

The fourth proportional to 9,822.45, 13,555.46 and 5,790.48 is: 7,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.45 : 13,555.46 = 5,790.48 : x
  2. Step 2: Convert to fraction form
    9,822.45/13,555.46 = 5,790.48/x
  3. Step 3: Cross multiply
    9,822.45x = 13,555.46 × 5,790.48
  4. Step 4: Simplify right side
    9,822.45x = 78,492,620.02
  5. Step 5: Solve for x
    x = 78,492,620.02/9,822.45
  6. Step 6: Final answer
    x = 7,991.14

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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.