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Finding the Fourth Proportional to 10,846.51, 16,225.21 and 8,659.51

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Solution

The fourth proportional to 10,846.51, 16,225.21 and 8,659.51 is: 12,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,846.51 : 16,225.21 = 8,659.51 : x
  2. Step 2: Convert to fraction form
    10,846.51/16,225.21 = 8,659.51/x
  3. Step 3: Cross multiply
    10,846.51x = 16,225.21 × 8,659.51
  4. Step 4: Simplify right side
    10,846.51x = 140,502,338.51
  5. Step 5: Solve for x
    x = 140,502,338.51/10,846.51
  6. Step 6: Final answer
    x = 12,953.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.