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Finding the Fourth Proportional to 12,184.76, 16,814.98 and 6,595.76

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Solution

The fourth proportional to 12,184.76, 16,814.98 and 6,595.76 is: 9,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.76 : 16,814.98 = 6,595.76 : x
  2. Step 2: Convert to fraction form
    12,184.76/16,814.98 = 6,595.76/x
  3. Step 3: Cross multiply
    12,184.76x = 16,814.98 × 6,595.76
  4. Step 4: Simplify right side
    12,184.76x = 110,907,572.48
  5. Step 5: Solve for x
    x = 110,907,572.48/12,184.76
  6. Step 6: Final answer
    x = 9,102.15

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Half scale
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Double scale
Find fourth proportional to 12,185.76, 16,816.36 and 6,596.76
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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.