Home / 10,269.90-15,405.30-5,336.46

Finding the Fourth Proportional to 10,269.90, 15,405.30 and 5,336.46

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Solution

The fourth proportional to 10,269.90, 15,405.30 and 5,336.46 is: 8,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.90 : 15,405.30 = 5,336.46 : x
  2. Step 2: Convert to fraction form
    10,269.90/15,405.30 = 5,336.46/x
  3. Step 3: Cross multiply
    10,269.90x = 15,405.30 × 5,336.46
  4. Step 4: Simplify right side
    10,269.90x = 82,209,767.24
  5. Step 5: Solve for x
    x = 82,209,767.24/10,269.90
  6. Step 6: Final answer
    x = 8,004.92

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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.