Home / 12,857.83-19,288.29-4,536.13

Finding the Fourth Proportional to 12,857.83, 19,288.29 and 4,536.13

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Solution

The fourth proportional to 12,857.83, 19,288.29 and 4,536.13 is: 6,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857.83 : 19,288.29 = 4,536.13 : x
  2. Step 2: Convert to fraction form
    12,857.83/19,288.29 = 4,536.13/x
  3. Step 3: Cross multiply
    12,857.83x = 19,288.29 × 4,536.13
  4. Step 4: Simplify right side
    12,857.83x = 87,494,190.92
  5. Step 5: Solve for x
    x = 87,494,190.92/12,857.83
  6. Step 6: Final answer
    x = 6,804.74

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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.