Home / 11,727.68-17,588.28-4,707.68

Finding the Fourth Proportional to 11,727.68, 17,588.28 and 4,707.68

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Solution

The fourth proportional to 11,727.68, 17,588.28 and 4,707.68 is: 7,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.68 : 17,588.28 = 4,707.68 : x
  2. Step 2: Convert to fraction form
    11,727.68/17,588.28 = 4,707.68/x
  3. Step 3: Cross multiply
    11,727.68x = 17,588.28 × 4,707.68
  4. Step 4: Simplify right side
    11,727.68x = 82,799,993.99
  5. Step 5: Solve for x
    x = 82,799,993.99/11,727.68
  6. Step 6: Final answer
    x = 7,060.22

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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.