Home / 10,089.98-15,137.40-3,164.48

Finding the Fourth Proportional to 10,089.98, 15,137.40 and 3,164.48

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Solution

The fourth proportional to 10,089.98, 15,137.40 and 3,164.48 is: 4,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.98 : 15,137.40 = 3,164.48 : x
  2. Step 2: Convert to fraction form
    10,089.98/15,137.40 = 3,164.48/x
  3. Step 3: Cross multiply
    10,089.98x = 15,137.40 × 3,164.48
  4. Step 4: Simplify right side
    10,089.98x = 47,901,999.55
  5. Step 5: Solve for x
    x = 47,901,999.55/10,089.98
  6. Step 6: Final answer
    x = 4,747.48

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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.