Home / 12,339.56-18,510.34-4,017.36

Finding the Fourth Proportional to 12,339.56, 18,510.34 and 4,017.36

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Solution

The fourth proportional to 12,339.56, 18,510.34 and 4,017.36 is: 6,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.56 : 18,510.34 = 4,017.36 : x
  2. Step 2: Convert to fraction form
    12,339.56/18,510.34 = 4,017.36/x
  3. Step 3: Cross multiply
    12,339.56x = 18,510.34 × 4,017.36
  4. Step 4: Simplify right side
    12,339.56x = 74,362,699.50
  5. Step 5: Solve for x
    x = 74,362,699.50/12,339.56
  6. Step 6: Final answer
    x = 6,026.37

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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.