Home / 12,409.04-18,617.88-4,622.96

Finding the Fourth Proportional to 12,409.04, 18,617.88 and 4,622.96

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Solution

The fourth proportional to 12,409.04, 18,617.88 and 4,622.96 is: 6,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.04 : 18,617.88 = 4,622.96 : x
  2. Step 2: Convert to fraction form
    12,409.04/18,617.88 = 4,622.96/x
  3. Step 3: Cross multiply
    12,409.04x = 18,617.88 × 4,622.96
  4. Step 4: Simplify right side
    12,409.04x = 86,069,714.52
  5. Step 5: Solve for x
    x = 86,069,714.52/12,409.04
  6. Step 6: Final answer
    x = 6,936.05

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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.