Home / 9,820.12-13,552.26-5,628.36

Finding the Fourth Proportional to 9,820.12, 13,552.26 and 5,628.36

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Solution

The fourth proportional to 9,820.12, 13,552.26 and 5,628.36 is: 7,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.12 : 13,552.26 = 5,628.36 : x
  2. Step 2: Convert to fraction form
    9,820.12/13,552.26 = 5,628.36/x
  3. Step 3: Cross multiply
    9,820.12x = 13,552.26 × 5,628.36
  4. Step 4: Simplify right side
    9,820.12x = 76,276,998.09
  5. Step 5: Solve for x
    x = 76,276,998.09/9,820.12
  6. Step 6: Final answer
    x = 7,767.42

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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.