Home / 10,507.84-15,761.58-2,716.60

Finding the Fourth Proportional to 10,507.84, 15,761.58 and 2,716.60

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Solution

The fourth proportional to 10,507.84, 15,761.58 and 2,716.60 is: 4,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.84 : 15,761.58 = 2,716.60 : x
  2. Step 2: Convert to fraction form
    10,507.84/15,761.58 = 2,716.60/x
  3. Step 3: Cross multiply
    10,507.84x = 15,761.58 × 2,716.60
  4. Step 4: Simplify right side
    10,507.84x = 42,817,908.23
  5. Step 5: Solve for x
    x = 42,817,908.23/10,507.84
  6. Step 6: Final answer
    x = 4,074.85

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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.