Home / 11,875.32-17,817.30-5,637.24

Finding the Fourth Proportional to 11,875.32, 17,817.30 and 5,637.24

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Solution

The fourth proportional to 11,875.32, 17,817.30 and 5,637.24 is: 8,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.32 : 17,817.30 = 5,637.24 : x
  2. Step 2: Convert to fraction form
    11,875.32/17,817.30 = 5,637.24/x
  3. Step 3: Cross multiply
    11,875.32x = 17,817.30 × 5,637.24
  4. Step 4: Simplify right side
    11,875.32x = 100,440,396.25
  5. Step 5: Solve for x
    x = 100,440,396.25/11,875.32
  6. Step 6: Final answer
    x = 8,457.91

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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.