Home / 11,412.84-17,091.30-9,426.32

Finding the Fourth Proportional to 11,412.84, 17,091.30 and 9,426.32

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Solution

The fourth proportional to 11,412.84, 17,091.30 and 9,426.32 is: 14,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.84 : 17,091.30 = 9,426.32 : x
  2. Step 2: Convert to fraction form
    11,412.84/17,091.30 = 9,426.32/x
  3. Step 3: Cross multiply
    11,412.84x = 17,091.30 × 9,426.32
  4. Step 4: Simplify right side
    11,412.84x = 161,108,063.02
  5. Step 5: Solve for x
    x = 161,108,063.02/11,412.84
  6. Step 6: Final answer
    x = 14,116.39

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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.