Home / 7,821.28-10,795.26-4,835.31

Finding the Fourth Proportional to 7,821.28, 10,795.26 and 4,835.31

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Solution

The fourth proportional to 7,821.28, 10,795.26 and 4,835.31 is: 6,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.28 : 10,795.26 = 4,835.31 : x
  2. Step 2: Convert to fraction form
    7,821.28/10,795.26 = 4,835.31/x
  3. Step 3: Cross multiply
    7,821.28x = 10,795.26 × 4,835.31
  4. Step 4: Simplify right side
    7,821.28x = 52,198,428.63
  5. Step 5: Solve for x
    x = 52,198,428.63/7,821.28
  6. Step 6: Final answer
    x = 6,673.90

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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.