Home / 8,184.24-11,287.02-5,531.40

Finding the Fourth Proportional to 8,184.24, 11,287.02 and 5,531.40

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Solution

The fourth proportional to 8,184.24, 11,287.02 and 5,531.40 is: 7,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.24 : 11,287.02 = 5,531.40 : x
  2. Step 2: Convert to fraction form
    8,184.24/11,287.02 = 5,531.40/x
  3. Step 3: Cross multiply
    8,184.24x = 11,287.02 × 5,531.40
  4. Step 4: Simplify right side
    8,184.24x = 62,433,022.43
  5. Step 5: Solve for x
    x = 62,433,022.43/8,184.24
  6. Step 6: Final answer
    x = 7,628.44

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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.