Home / 6,129.06-9,190.10-5,606.61

Finding the Fourth Proportional to 6,129.06, 9,190.10 and 5,606.61

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Solution

The fourth proportional to 6,129.06, 9,190.10 and 5,606.61 is: 8,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.06 : 9,190.10 = 5,606.61 : x
  2. Step 2: Convert to fraction form
    6,129.06/9,190.10 = 5,606.61/x
  3. Step 3: Cross multiply
    6,129.06x = 9,190.10 × 5,606.61
  4. Step 4: Simplify right side
    6,129.06x = 51,525,278.53
  5. Step 5: Solve for x
    x = 51,525,278.53/6,129.06
  6. Step 6: Final answer
    x = 8,406.72

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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.