Home / 12,662.10-18,994.23-3,303.36

Finding the Fourth Proportional to 12,662.10, 18,994.23 and 3,303.36

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Solution

The fourth proportional to 12,662.10, 18,994.23 and 3,303.36 is: 4,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662.10 : 18,994.23 = 3,303.36 : x
  2. Step 2: Convert to fraction form
    12,662.10/18,994.23 = 3,303.36/x
  3. Step 3: Cross multiply
    12,662.10x = 18,994.23 × 3,303.36
  4. Step 4: Simplify right side
    12,662.10x = 62,744,779.61
  5. Step 5: Solve for x
    x = 62,744,779.61/12,662.10
  6. Step 6: Final answer
    x = 4,955.32

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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.