Home / 9,686.56-14,529.88-2,761.06

Finding the Fourth Proportional to 9,686.56, 14,529.88 and 2,761.06

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Solution

The fourth proportional to 9,686.56, 14,529.88 and 2,761.06 is: 4,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.56 : 14,529.88 = 2,761.06 : x
  2. Step 2: Convert to fraction form
    9,686.56/14,529.88 = 2,761.06/x
  3. Step 3: Cross multiply
    9,686.56x = 14,529.88 × 2,761.06
  4. Step 4: Simplify right side
    9,686.56x = 40,117,870.47
  5. Step 5: Solve for x
    x = 40,117,870.47/9,686.56
  6. Step 6: Final answer
    x = 4,141.60

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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.