Home / 10,051.76-13,872.25-5,576.95

Finding the Fourth Proportional to 10,051.76, 13,872.25 and 5,576.95

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Solution

The fourth proportional to 10,051.76, 13,872.25 and 5,576.95 is: 7,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.76 : 13,872.25 = 5,576.95 : x
  2. Step 2: Convert to fraction form
    10,051.76/13,872.25 = 5,576.95/x
  3. Step 3: Cross multiply
    10,051.76x = 13,872.25 × 5,576.95
  4. Step 4: Simplify right side
    10,051.76x = 77,364,844.64
  5. Step 5: Solve for x
    x = 77,364,844.64/10,051.76
  6. Step 6: Final answer
    x = 7,696.65

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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.