Home / 35,409.04-53,120.13-11,716.79

Finding the Fourth Proportional to 35,409.04, 53,120.13 and 11,716.79

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Solution

The fourth proportional to 35,409.04, 53,120.13 and 11,716.79 is: 17,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.04 : 53,120.13 = 11,716.79 : x
  2. Step 2: Convert to fraction form
    35,409.04/53,120.13 = 11,716.79/x
  3. Step 3: Cross multiply
    35,409.04x = 53,120.13 × 11,716.79
  4. Step 4: Simplify right side
    35,409.04x = 622,397,574.67
  5. Step 5: Solve for x
    x = 622,397,574.67/35,409.04
  6. Step 6: Final answer
    x = 17,577.36

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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.