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Finding the Fourth Proportional to 8,946.12, 12,347.06 and 8,552.36

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Solution

The fourth proportional to 8,946.12, 12,347.06 and 8,552.36 is: 11,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.12 : 12,347.06 = 8,552.36 : x
  2. Step 2: Convert to fraction form
    8,946.12/12,347.06 = 8,552.36/x
  3. Step 3: Cross multiply
    8,946.12x = 12,347.06 × 8,552.36
  4. Step 4: Simplify right side
    8,946.12x = 105,596,502.06
  5. Step 5: Solve for x
    x = 105,596,502.06/8,946.12
  6. Step 6: Final answer
    x = 11,803.61

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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.