Home / 10,436.10-15,655.71-3,039.60

Finding the Fourth Proportional to 10,436.10, 15,655.71 and 3,039.60

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Solution

The fourth proportional to 10,436.10, 15,655.71 and 3,039.60 is: 4,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.10 : 15,655.71 = 3,039.60 : x
  2. Step 2: Convert to fraction form
    10,436.10/15,655.71 = 3,039.60/x
  3. Step 3: Cross multiply
    10,436.10x = 15,655.71 × 3,039.60
  4. Step 4: Simplify right side
    10,436.10x = 47,587,096.12
  5. Step 5: Solve for x
    x = 47,587,096.12/10,436.10
  6. Step 6: Final answer
    x = 4,559.85

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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.