Home / 10,001.94-15,004.78-4,159.02

Finding the Fourth Proportional to 10,001.94, 15,004.78 and 4,159.02

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Solution

The fourth proportional to 10,001.94, 15,004.78 and 4,159.02 is: 6,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.94 : 15,004.78 = 4,159.02 : x
  2. Step 2: Convert to fraction form
    10,001.94/15,004.78 = 4,159.02/x
  3. Step 3: Cross multiply
    10,001.94x = 15,004.78 × 4,159.02
  4. Step 4: Simplify right side
    10,001.94x = 62,405,180.12
  5. Step 5: Solve for x
    x = 62,405,180.12/10,001.94
  6. Step 6: Final answer
    x = 6,239.31

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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.