Home / 12,038.64-18,058.44-4,246.32

Finding the Fourth Proportional to 12,038.64, 18,058.44 and 4,246.32

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Solution

The fourth proportional to 12,038.64, 18,058.44 and 4,246.32 is: 6,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.64 : 18,058.44 = 4,246.32 : x
  2. Step 2: Convert to fraction form
    12,038.64/18,058.44 = 4,246.32/x
  3. Step 3: Cross multiply
    12,038.64x = 18,058.44 × 4,246.32
  4. Step 4: Simplify right side
    12,038.64x = 76,681,914.94
  5. Step 5: Solve for x
    x = 76,681,914.94/12,038.64
  6. Step 6: Final answer
    x = 6,369.65

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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.