Home / 8,328.26-11,490.99-5,182.22

Finding the Fourth Proportional to 8,328.26, 11,490.99 and 5,182.22

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Solution

The fourth proportional to 8,328.26, 11,490.99 and 5,182.22 is: 7,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.26 : 11,490.99 = 5,182.22 : x
  2. Step 2: Convert to fraction form
    8,328.26/11,490.99 = 5,182.22/x
  3. Step 3: Cross multiply
    8,328.26x = 11,490.99 × 5,182.22
  4. Step 4: Simplify right side
    8,328.26x = 59,548,838.20
  5. Step 5: Solve for x
    x = 59,548,838.20/8,328.26
  6. Step 6: Final answer
    x = 7,150.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.