Home / 10,443.72-15,665.60-4,893.02

Finding the Fourth Proportional to 10,443.72, 15,665.60 and 4,893.02

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Solution

The fourth proportional to 10,443.72, 15,665.60 and 4,893.02 is: 7,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.72 : 15,665.60 = 4,893.02 : x
  2. Step 2: Convert to fraction form
    10,443.72/15,665.60 = 4,893.02/x
  3. Step 3: Cross multiply
    10,443.72x = 15,665.60 × 4,893.02
  4. Step 4: Simplify right side
    10,443.72x = 76,652,094.11
  5. Step 5: Solve for x
    x = 76,652,094.11/10,443.72
  6. Step 6: Final answer
    x = 7,339.54

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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.