Home / 10,809.96-16,214.35-3,313.51

Finding the Fourth Proportional to 10,809.96, 16,214.35 and 3,313.51

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Solution

The fourth proportional to 10,809.96, 16,214.35 and 3,313.51 is: 4,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.96 : 16,214.35 = 3,313.51 : x
  2. Step 2: Convert to fraction form
    10,809.96/16,214.35 = 3,313.51/x
  3. Step 3: Cross multiply
    10,809.96x = 16,214.35 × 3,313.51
  4. Step 4: Simplify right side
    10,809.96x = 53,726,410.87
  5. Step 5: Solve for x
    x = 53,726,410.87/10,809.96
  6. Step 6: Final answer
    x = 4,970.08

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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.