Home / 12,744.54-17,590.50-8,502.30

Finding the Fourth Proportional to 12,744.54, 17,590.50 and 8,502.30

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Solution

The fourth proportional to 12,744.54, 17,590.50 and 8,502.30 is: 11,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.54 : 17,590.50 = 8,502.30 : x
  2. Step 2: Convert to fraction form
    12,744.54/17,590.50 = 8,502.30/x
  3. Step 3: Cross multiply
    12,744.54x = 17,590.50 × 8,502.30
  4. Step 4: Simplify right side
    12,744.54x = 149,559,708.15
  5. Step 5: Solve for x
    x = 149,559,708.15/12,744.54
  6. Step 6: Final answer
    x = 11,735.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.