Home / 12,406.23-18,609.44-5,009.31

Finding the Fourth Proportional to 12,406.23, 18,609.44 and 5,009.31

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Solution

The fourth proportional to 12,406.23, 18,609.44 and 5,009.31 is: 7,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.23 : 18,609.44 = 5,009.31 : x
  2. Step 2: Convert to fraction form
    12,406.23/18,609.44 = 5,009.31/x
  3. Step 3: Cross multiply
    12,406.23x = 18,609.44 × 5,009.31
  4. Step 4: Simplify right side
    12,406.23x = 93,220,428.84
  5. Step 5: Solve for x
    x = 93,220,428.84/12,406.23
  6. Step 6: Final answer
    x = 7,514.00

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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.