Home / 10,505.14-15,754.96-4,957.02

Finding the Fourth Proportional to 10,505.14, 15,754.96 and 4,957.02

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Solution

The fourth proportional to 10,505.14, 15,754.96 and 4,957.02 is: 7,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.14 : 15,754.96 = 4,957.02 : x
  2. Step 2: Convert to fraction form
    10,505.14/15,754.96 = 4,957.02/x
  3. Step 3: Cross multiply
    10,505.14x = 15,754.96 × 4,957.02
  4. Step 4: Simplify right side
    10,505.14x = 78,097,651.82
  5. Step 5: Solve for x
    x = 78,097,651.82/10,505.14
  6. Step 6: Final answer
    x = 7,434.23

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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.