Home / 30,675.18-46,012.84-9,328.09

Finding the Fourth Proportional to 30,675.18, 46,012.84 and 9,328.09

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Solution

The fourth proportional to 30,675.18, 46,012.84 and 9,328.09 is: 13,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.18 : 46,012.84 = 9,328.09 : x
  2. Step 2: Convert to fraction form
    30,675.18/46,012.84 = 9,328.09/x
  3. Step 3: Cross multiply
    30,675.18x = 46,012.84 × 9,328.09
  4. Step 4: Simplify right side
    30,675.18x = 429,211,912.68
  5. Step 5: Solve for x
    x = 429,211,912.68/30,675.18
  6. Step 6: Final answer
    x = 13,992.16

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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.