Home / 12,607.91-18,886.37-6,359.22

Finding the Fourth Proportional to 12,607.91, 18,886.37 and 6,359.22

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Solution

The fourth proportional to 12,607.91, 18,886.37 and 6,359.22 is: 9,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.91 : 18,886.37 = 6,359.22 : x
  2. Step 2: Convert to fraction form
    12,607.91/18,886.37 = 6,359.22/x
  3. Step 3: Cross multiply
    12,607.91x = 18,886.37 × 6,359.22
  4. Step 4: Simplify right side
    12,607.91x = 120,102,550.04
  5. Step 5: Solve for x
    x = 120,102,550.04/12,607.91
  6. Step 6: Final answer
    x = 9,525.97

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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.