Home / 12,485.03-18,740.07-5,826.08

Finding the Fourth Proportional to 12,485.03, 18,740.07 and 5,826.08

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Solution

The fourth proportional to 12,485.03, 18,740.07 and 5,826.08 is: 8,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485.03 : 18,740.07 = 5,826.08 : x
  2. Step 2: Convert to fraction form
    12,485.03/18,740.07 = 5,826.08/x
  3. Step 3: Cross multiply
    12,485.03x = 18,740.07 × 5,826.08
  4. Step 4: Simplify right side
    12,485.03x = 109,181,193.88
  5. Step 5: Solve for x
    x = 109,181,193.88/12,485.03
  6. Step 6: Final answer
    x = 8,744.97

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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.