Home / 11,636.09-17,432.13-6,878.01

Finding the Fourth Proportional to 11,636.09, 17,432.13 and 6,878.01

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Solution

The fourth proportional to 11,636.09, 17,432.13 and 6,878.01 is: 10,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.09 : 17,432.13 = 6,878.01 : x
  2. Step 2: Convert to fraction form
    11,636.09/17,432.13 = 6,878.01/x
  3. Step 3: Cross multiply
    11,636.09x = 17,432.13 × 6,878.01
  4. Step 4: Simplify right side
    11,636.09x = 119,898,416.94
  5. Step 5: Solve for x
    x = 119,898,416.94/11,636.09
  6. Step 6: Final answer
    x = 10,304.01

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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.