Home / 12,412.04-18,624.90-5,486.36

Finding the Fourth Proportional to 12,412.04, 18,624.90 and 5,486.36

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Solution

The fourth proportional to 12,412.04, 18,624.90 and 5,486.36 is: 8,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.04 : 18,624.90 = 5,486.36 : x
  2. Step 2: Convert to fraction form
    12,412.04/18,624.90 = 5,486.36/x
  3. Step 3: Cross multiply
    12,412.04x = 18,624.90 × 5,486.36
  4. Step 4: Simplify right side
    12,412.04x = 102,182,906.36
  5. Step 5: Solve for x
    x = 102,182,906.36/12,412.04
  6. Step 6: Final answer
    x = 8,232.56

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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.