Home / 11,336.52-16,987.45-4,759.12

Finding the Fourth Proportional to 11,336.52, 16,987.45 and 4,759.12

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Solution

The fourth proportional to 11,336.52, 16,987.45 and 4,759.12 is: 7,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.52 : 16,987.45 = 4,759.12 : x
  2. Step 2: Convert to fraction form
    11,336.52/16,987.45 = 4,759.12/x
  3. Step 3: Cross multiply
    11,336.52x = 16,987.45 × 4,759.12
  4. Step 4: Simplify right side
    11,336.52x = 80,845,313.04
  5. Step 5: Solve for x
    x = 80,845,313.04/11,336.52
  6. Step 6: Final answer
    x = 7,131.40

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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.