Home / 7,857.90-10,846.19-4,673.43

Finding the Fourth Proportional to 7,857.90, 10,846.19 and 4,673.43

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Solution

The fourth proportional to 7,857.90, 10,846.19 and 4,673.43 is: 6,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.90 : 10,846.19 = 4,673.43 : x
  2. Step 2: Convert to fraction form
    7,857.90/10,846.19 = 4,673.43/x
  3. Step 3: Cross multiply
    7,857.90x = 10,846.19 × 4,673.43
  4. Step 4: Simplify right side
    7,857.90x = 50,688,909.73
  5. Step 5: Solve for x
    x = 50,688,909.73/7,857.90
  6. Step 6: Final answer
    x = 6,450.69

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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.