Home / 12,281.63-16,948.67-6,692.63

Finding the Fourth Proportional to 12,281.63, 16,948.67 and 6,692.63

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Solution

The fourth proportional to 12,281.63, 16,948.67 and 6,692.63 is: 9,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.63 : 16,948.67 = 6,692.63 : x
  2. Step 2: Convert to fraction form
    12,281.63/16,948.67 = 6,692.63/x
  3. Step 3: Cross multiply
    12,281.63x = 16,948.67 × 6,692.63
  4. Step 4: Simplify right side
    12,281.63x = 113,431,059.10
  5. Step 5: Solve for x
    x = 113,431,059.10/12,281.63
  6. Step 6: Final answer
    x = 9,235.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.