Home / 11,718.28-17,580.24-4,792.80

Finding the Fourth Proportional to 11,718.28, 17,580.24 and 4,792.80

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Solution

The fourth proportional to 11,718.28, 17,580.24 and 4,792.80 is: 7,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.28 : 17,580.24 = 4,792.80 : x
  2. Step 2: Convert to fraction form
    11,718.28/17,580.24 = 4,792.80/x
  3. Step 3: Cross multiply
    11,718.28x = 17,580.24 × 4,792.80
  4. Step 4: Simplify right side
    11,718.28x = 84,258,574.27
  5. Step 5: Solve for x
    x = 84,258,574.27/11,718.28
  6. Step 6: Final answer
    x = 7,190.35

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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.