Home / 8,549.70-12,816.81-3,354.18

Finding the Fourth Proportional to 8,549.70, 12,816.81 and 3,354.18

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Solution

The fourth proportional to 8,549.70, 12,816.81 and 3,354.18 is: 5,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.70 : 12,816.81 = 3,354.18 : x
  2. Step 2: Convert to fraction form
    8,549.70/12,816.81 = 3,354.18/x
  3. Step 3: Cross multiply
    8,549.70x = 12,816.81 × 3,354.18
  4. Step 4: Simplify right side
    8,549.70x = 42,989,887.77
  5. Step 5: Solve for x
    x = 42,989,887.77/8,549.70
  6. Step 6: Final answer
    x = 5,028.23

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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.