Home / 8,228.23-12,342.68-6,851.28

Finding the Fourth Proportional to 8,228.23, 12,342.68 and 6,851.28

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Solution

The fourth proportional to 8,228.23, 12,342.68 and 6,851.28 is: 10,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.23 : 12,342.68 = 6,851.28 : x
  2. Step 2: Convert to fraction form
    8,228.23/12,342.68 = 6,851.28/x
  3. Step 3: Cross multiply
    8,228.23x = 12,342.68 × 6,851.28
  4. Step 4: Simplify right side
    8,228.23x = 84,563,156.63
  5. Step 5: Solve for x
    x = 84,563,156.63/8,228.23
  6. Step 6: Final answer
    x = 10,277.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.