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Finding the Fourth Proportional to 8,692.66, 11,995.96 and 4,713.84

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Solution

The fourth proportional to 8,692.66, 11,995.96 and 4,713.84 is: 6,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.66 : 11,995.96 = 4,713.84 : x
  2. Step 2: Convert to fraction form
    8,692.66/11,995.96 = 4,713.84/x
  3. Step 3: Cross multiply
    8,692.66x = 11,995.96 × 4,713.84
  4. Step 4: Simplify right side
    8,692.66x = 56,547,036.09
  5. Step 5: Solve for x
    x = 56,547,036.09/8,692.66
  6. Step 6: Final answer
    x = 6,505.15

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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.