Home / 11,727.74-17,592.40-4,128.11

Finding the Fourth Proportional to 11,727.74, 17,592.40 and 4,128.11

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Solution

The fourth proportional to 11,727.74, 17,592.40 and 4,128.11 is: 6,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.74 : 17,592.40 = 4,128.11 : x
  2. Step 2: Convert to fraction form
    11,727.74/17,592.40 = 4,128.11/x
  3. Step 3: Cross multiply
    11,727.74x = 17,592.40 × 4,128.11
  4. Step 4: Simplify right side
    11,727.74x = 72,623,430.70
  5. Step 5: Solve for x
    x = 72,623,430.70/11,727.74
  6. Step 6: Final answer
    x = 6,192.45

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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.