Home / 8,164.16-11,260.55-5,326.99

Finding the Fourth Proportional to 8,164.16, 11,260.55 and 5,326.99

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Solution

The fourth proportional to 8,164.16, 11,260.55 and 5,326.99 is: 7,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.16 : 11,260.55 = 5,326.99 : x
  2. Step 2: Convert to fraction form
    8,164.16/11,260.55 = 5,326.99/x
  3. Step 3: Cross multiply
    8,164.16x = 11,260.55 × 5,326.99
  4. Step 4: Simplify right side
    8,164.16x = 59,984,780.94
  5. Step 5: Solve for x
    x = 59,984,780.94/8,164.16
  6. Step 6: Final answer
    x = 7,347.33

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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.