Home / 11,852.60-17,740.26-8,731.35

Finding the Fourth Proportional to 11,852.60, 17,740.26 and 8,731.35

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Solution

The fourth proportional to 11,852.60, 17,740.26 and 8,731.35 is: 13,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.60 : 17,740.26 = 8,731.35 : x
  2. Step 2: Convert to fraction form
    11,852.60/17,740.26 = 8,731.35/x
  3. Step 3: Cross multiply
    11,852.60x = 17,740.26 × 8,731.35
  4. Step 4: Simplify right side
    11,852.60x = 154,896,419.15
  5. Step 5: Solve for x
    x = 154,896,419.15/11,852.60
  6. Step 6: Final answer
    x = 13,068.57

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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.