Home / 9,907.37-13,663.44-6,129.93

Finding the Fourth Proportional to 9,907.37, 13,663.44 and 6,129.93

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Solution

The fourth proportional to 9,907.37, 13,663.44 and 6,129.93 is: 8,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.37 : 13,663.44 = 6,129.93 : x
  2. Step 2: Convert to fraction form
    9,907.37/13,663.44 = 6,129.93/x
  3. Step 3: Cross multiply
    9,907.37x = 13,663.44 × 6,129.93
  4. Step 4: Simplify right side
    9,907.37x = 83,755,930.76
  5. Step 5: Solve for x
    x = 83,755,930.76/9,907.37
  6. Step 6: Final answer
    x = 8,453.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.