Home / 12,038.51-18,054.53-4,246.31

Finding the Fourth Proportional to 12,038.51, 18,054.53 and 4,246.31

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Solution

The fourth proportional to 12,038.51, 18,054.53 and 4,246.31 is: 6,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.51 : 18,054.53 = 4,246.31 : x
  2. Step 2: Convert to fraction form
    12,038.51/18,054.53 = 4,246.31/x
  3. Step 3: Cross multiply
    12,038.51x = 18,054.53 × 4,246.31
  4. Step 4: Simplify right side
    12,038.51x = 76,665,171.11
  5. Step 5: Solve for x
    x = 76,665,171.11/12,038.51
  6. Step 6: Final answer
    x = 6,368.33

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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.