Home / 43,309.06-64,958.55-11,717.62

Finding the Fourth Proportional to 43,309.06, 64,958.55 and 11,717.62

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Solution

The fourth proportional to 43,309.06, 64,958.55 and 11,717.62 is: 17,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,309.06 : 64,958.55 = 11,717.62 : x
  2. Step 2: Convert to fraction form
    43,309.06/64,958.55 = 11,717.62/x
  3. Step 3: Cross multiply
    43,309.06x = 64,958.55 × 11,717.62
  4. Step 4: Simplify right side
    43,309.06x = 761,159,604.65
  5. Step 5: Solve for x
    x = 761,159,604.65/43,309.06
  6. Step 6: Final answer
    x = 17,575.07

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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.