Home / 11,962.40-17,938.80-4,564.32

Finding the Fourth Proportional to 11,962.40, 17,938.80 and 4,564.32

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Solution

The fourth proportional to 11,962.40, 17,938.80 and 4,564.32 is: 6,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.40 : 17,938.80 = 4,564.32 : x
  2. Step 2: Convert to fraction form
    11,962.40/17,938.80 = 4,564.32/x
  3. Step 3: Cross multiply
    11,962.40x = 17,938.80 × 4,564.32
  4. Step 4: Simplify right side
    11,962.40x = 81,878,423.62
  5. Step 5: Solve for x
    x = 81,878,423.62/11,962.40
  6. Step 6: Final answer
    x = 6,844.65

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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.