Home / 12,330.30-18,496.46-4,008.16

Finding the Fourth Proportional to 12,330.30, 18,496.46 and 4,008.16

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Solution

The fourth proportional to 12,330.30, 18,496.46 and 4,008.16 is: 6,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.30 : 18,496.46 = 4,008.16 : x
  2. Step 2: Convert to fraction form
    12,330.30/18,496.46 = 4,008.16/x
  3. Step 3: Cross multiply
    12,330.30x = 18,496.46 × 4,008.16
  4. Step 4: Simplify right side
    12,330.30x = 74,136,771.11
  5. Step 5: Solve for x
    x = 74,136,771.11/12,330.30
  6. Step 6: Final answer
    x = 6,012.57

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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.