Home / 12,368.98-18,553.47-3,604.58

Finding the Fourth Proportional to 12,368.98, 18,553.47 and 3,604.58

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Solution

The fourth proportional to 12,368.98, 18,553.47 and 3,604.58 is: 5,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.98 : 18,553.47 = 3,604.58 : x
  2. Step 2: Convert to fraction form
    12,368.98/18,553.47 = 3,604.58/x
  3. Step 3: Cross multiply
    12,368.98x = 18,553.47 × 3,604.58
  4. Step 4: Simplify right side
    12,368.98x = 66,877,466.89
  5. Step 5: Solve for x
    x = 66,877,466.89/12,368.98
  6. Step 6: Final answer
    x = 5,406.87

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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.