Home / 11,802.60-17,711.88-4,877.16

Finding the Fourth Proportional to 11,802.60, 17,711.88 and 4,877.16

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Solution

The fourth proportional to 11,802.60, 17,711.88 and 4,877.16 is: 7,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.60 : 17,711.88 = 4,877.16 : x
  2. Step 2: Convert to fraction form
    11,802.60/17,711.88 = 4,877.16/x
  3. Step 3: Cross multiply
    11,802.60x = 17,711.88 × 4,877.16
  4. Step 4: Simplify right side
    11,802.60x = 86,383,672.66
  5. Step 5: Solve for x
    x = 86,383,672.66/11,802.60
  6. Step 6: Final answer
    x = 7,319.04

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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.