Home / 12,842.48-19,262.34-8,709.02

Finding the Fourth Proportional to 12,842.48, 19,262.34 and 8,709.02

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Solution

The fourth proportional to 12,842.48, 19,262.34 and 8,709.02 is: 13,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.48 : 19,262.34 = 8,709.02 : x
  2. Step 2: Convert to fraction form
    12,842.48/19,262.34 = 8,709.02/x
  3. Step 3: Cross multiply
    12,842.48x = 19,262.34 × 8,709.02
  4. Step 4: Simplify right side
    12,842.48x = 167,756,104.31
  5. Step 5: Solve for x
    x = 167,756,104.31/12,842.48
  6. Step 6: Final answer
    x = 13,062.59

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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.