Home / 8,692.06-11,996.58-5,156.50

Finding the Fourth Proportional to 8,692.06, 11,996.58 and 5,156.50

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Solution

The fourth proportional to 8,692.06, 11,996.58 and 5,156.50 is: 7,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.06 : 11,996.58 = 5,156.50 : x
  2. Step 2: Convert to fraction form
    8,692.06/11,996.58 = 5,156.50/x
  3. Step 3: Cross multiply
    8,692.06x = 11,996.58 × 5,156.50
  4. Step 4: Simplify right side
    8,692.06x = 61,860,364.77
  5. Step 5: Solve for x
    x = 61,860,364.77/8,692.06
  6. Step 6: Final answer
    x = 7,116.88

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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.