Home / 12,084.08-16,674.18-6,777.68

Finding the Fourth Proportional to 12,084.08, 16,674.18 and 6,777.68

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Solution

The fourth proportional to 12,084.08, 16,674.18 and 6,777.68 is: 9,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.08 : 16,674.18 = 6,777.68 : x
  2. Step 2: Convert to fraction form
    12,084.08/16,674.18 = 6,777.68/x
  3. Step 3: Cross multiply
    12,084.08x = 16,674.18 × 6,777.68
  4. Step 4: Simplify right side
    12,084.08x = 113,012,256.30
  5. Step 5: Solve for x
    x = 113,012,256.30/12,084.08
  6. Step 6: Final answer
    x = 9,352.16

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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.