Home / 9,819.48-13,543.82-6,836.32

Finding the Fourth Proportional to 9,819.48, 13,543.82 and 6,836.32

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Solution

The fourth proportional to 9,819.48, 13,543.82 and 6,836.32 is: 9,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.48 : 13,543.82 = 6,836.32 : x
  2. Step 2: Convert to fraction form
    9,819.48/13,543.82 = 6,836.32/x
  3. Step 3: Cross multiply
    9,819.48x = 13,543.82 × 6,836.32
  4. Step 4: Simplify right side
    9,819.48x = 92,589,887.54
  5. Step 5: Solve for x
    x = 92,589,887.54/9,819.48
  6. Step 6: Final answer
    x = 9,429.20

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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.