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Finding the Fourth Proportional to 7,859.66, 10,846.60 and 4,323.02

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Solution

The fourth proportional to 7,859.66, 10,846.60 and 4,323.02 is: 5,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.66 : 10,846.60 = 4,323.02 : x
  2. Step 2: Convert to fraction form
    7,859.66/10,846.60 = 4,323.02/x
  3. Step 3: Cross multiply
    7,859.66x = 10,846.60 × 4,323.02
  4. Step 4: Simplify right side
    7,859.66x = 46,890,068.73
  5. Step 5: Solve for x
    x = 46,890,068.73/7,859.66
  6. Step 6: Final answer
    x = 5,965.92

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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.