Home / 12,369.98-18,554.78-3,010.08

Finding the Fourth Proportional to 12,369.98, 18,554.78 and 3,010.08

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Solution

The fourth proportional to 12,369.98, 18,554.78 and 3,010.08 is: 4,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.98 : 18,554.78 = 3,010.08 : x
  2. Step 2: Convert to fraction form
    12,369.98/18,554.78 = 3,010.08/x
  3. Step 3: Cross multiply
    12,369.98x = 18,554.78 × 3,010.08
  4. Step 4: Simplify right side
    12,369.98x = 55,851,372.18
  5. Step 5: Solve for x
    x = 55,851,372.18/12,369.98
  6. Step 6: Final answer
    x = 4,515.07

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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.