Home / 12,674.08-19,012.76-4,885.12

Finding the Fourth Proportional to 12,674.08, 19,012.76 and 4,885.12

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Solution

The fourth proportional to 12,674.08, 19,012.76 and 4,885.12 is: 7,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.08 : 19,012.76 = 4,885.12 : x
  2. Step 2: Convert to fraction form
    12,674.08/19,012.76 = 4,885.12/x
  3. Step 3: Cross multiply
    12,674.08x = 19,012.76 × 4,885.12
  4. Step 4: Simplify right side
    12,674.08x = 92,879,614.13
  5. Step 5: Solve for x
    x = 92,879,614.13/12,674.08
  6. Step 6: Final answer
    x = 7,328.31

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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.