Home / 10,310.64-15,460.44-4,070.40

Finding the Fourth Proportional to 10,310.64, 15,460.44 and 4,070.40

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Solution

The fourth proportional to 10,310.64, 15,460.44 and 4,070.40 is: 6,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.64 : 15,460.44 = 4,070.40 : x
  2. Step 2: Convert to fraction form
    10,310.64/15,460.44 = 4,070.40/x
  3. Step 3: Cross multiply
    10,310.64x = 15,460.44 × 4,070.40
  4. Step 4: Simplify right side
    10,310.64x = 62,930,174.98
  5. Step 5: Solve for x
    x = 62,930,174.98/10,310.64
  6. Step 6: Final answer
    x = 6,103.42

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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.