Home / 13,079.35-19,627.13-5,288.23

Finding the Fourth Proportional to 13,079.35, 19,627.13 and 5,288.23

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Solution

The fourth proportional to 13,079.35, 19,627.13 and 5,288.23 is: 7,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.35 : 19,627.13 = 5,288.23 : x
  2. Step 2: Convert to fraction form
    13,079.35/19,627.13 = 5,288.23/x
  3. Step 3: Cross multiply
    13,079.35x = 19,627.13 × 5,288.23
  4. Step 4: Simplify right side
    13,079.35x = 103,792,777.68
  5. Step 5: Solve for x
    x = 103,792,777.68/13,079.35
  6. Step 6: Final answer
    x = 7,935.62

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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.