Home / 12,046.48-18,072.96-4,254.32

Finding the Fourth Proportional to 12,046.48, 18,072.96 and 4,254.32

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Solution

The fourth proportional to 12,046.48, 18,072.96 and 4,254.32 is: 6,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.48 : 18,072.96 = 4,254.32 : x
  2. Step 2: Convert to fraction form
    12,046.48/18,072.96 = 4,254.32/x
  3. Step 3: Cross multiply
    12,046.48x = 18,072.96 × 4,254.32
  4. Step 4: Simplify right side
    12,046.48x = 76,888,155.19
  5. Step 5: Solve for x
    x = 76,888,155.19/12,046.48
  6. Step 6: Final answer
    x = 6,382.62

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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.