Home / 11,287.08-15,568.20-7,034.58

Finding the Fourth Proportional to 11,287.08, 15,568.20 and 7,034.58

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Solution

The fourth proportional to 11,287.08, 15,568.20 and 7,034.58 is: 9,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.08 : 15,568.20 = 7,034.58 : x
  2. Step 2: Convert to fraction form
    11,287.08/15,568.20 = 7,034.58/x
  3. Step 3: Cross multiply
    11,287.08x = 15,568.20 × 7,034.58
  4. Step 4: Simplify right side
    11,287.08x = 109,515,748.36
  5. Step 5: Solve for x
    x = 109,515,748.36/11,287.08
  6. Step 6: Final answer
    x = 9,702.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.