Home / 8,890.82-12,270.84-6,762.94

Finding the Fourth Proportional to 8,890.82, 12,270.84 and 6,762.94

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Solution

The fourth proportional to 8,890.82, 12,270.84 and 6,762.94 is: 9,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.82 : 12,270.84 = 6,762.94 : x
  2. Step 2: Convert to fraction form
    8,890.82/12,270.84 = 6,762.94/x
  3. Step 3: Cross multiply
    8,890.82x = 12,270.84 × 6,762.94
  4. Step 4: Simplify right side
    8,890.82x = 82,986,954.67
  5. Step 5: Solve for x
    x = 82,986,954.67/8,890.82
  6. Step 6: Final answer
    x = 9,334.00

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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.