Home / 12,526.58-18,791.60-4,208.98

Finding the Fourth Proportional to 12,526.58, 18,791.60 and 4,208.98

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Solution

The fourth proportional to 12,526.58, 18,791.60 and 4,208.98 is: 6,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.58 : 18,791.60 = 4,208.98 : x
  2. Step 2: Convert to fraction form
    12,526.58/18,791.60 = 4,208.98/x
  3. Step 3: Cross multiply
    12,526.58x = 18,791.60 × 4,208.98
  4. Step 4: Simplify right side
    12,526.58x = 79,093,432.11
  5. Step 5: Solve for x
    x = 79,093,432.11/12,526.58
  6. Step 6: Final answer
    x = 6,314.05

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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.