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Finding the Fourth Proportional to 8,692.84, 11,996.02 and 4,713.88

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Solution

The fourth proportional to 8,692.84, 11,996.02 and 4,713.88 is: 6,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.84 : 11,996.02 = 4,713.88 : x
  2. Step 2: Convert to fraction form
    8,692.84/11,996.02 = 4,713.88/x
  3. Step 3: Cross multiply
    8,692.84x = 11,996.02 × 4,713.88
  4. Step 4: Simplify right side
    8,692.84x = 56,547,798.76
  5. Step 5: Solve for x
    x = 56,547,798.76/8,692.84
  6. Step 6: Final answer
    x = 6,505.10

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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.