Home / 11,535.60-17,305.80-5,685.36

Finding the Fourth Proportional to 11,535.60, 17,305.80 and 5,685.36

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Solution

The fourth proportional to 11,535.60, 17,305.80 and 5,685.36 is: 8,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.60 : 17,305.80 = 5,685.36 : x
  2. Step 2: Convert to fraction form
    11,535.60/17,305.80 = 5,685.36/x
  3. Step 3: Cross multiply
    11,535.60x = 17,305.80 × 5,685.36
  4. Step 4: Simplify right side
    11,535.60x = 98,389,703.09
  5. Step 5: Solve for x
    x = 98,389,703.09/11,535.60
  6. Step 6: Final answer
    x = 8,529.22

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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.