Home / 10,501.89-15,755.28-3,576.39

Finding the Fourth Proportional to 10,501.89, 15,755.28 and 3,576.39

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Solution

The fourth proportional to 10,501.89, 15,755.28 and 3,576.39 is: 5,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.89 : 15,755.28 = 3,576.39 : x
  2. Step 2: Convert to fraction form
    10,501.89/15,755.28 = 3,576.39/x
  3. Step 3: Cross multiply
    10,501.89x = 15,755.28 × 3,576.39
  4. Step 4: Simplify right side
    10,501.89x = 56,347,025.84
  5. Step 5: Solve for x
    x = 56,347,025.84/10,501.89
  6. Step 6: Final answer
    x = 5,365.42

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1.5x scale

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.