Home / 10,004.36-15,015.96-5,077.53

Finding the Fourth Proportional to 10,004.36, 15,015.96 and 5,077.53

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Solution

The fourth proportional to 10,004.36, 15,015.96 and 5,077.53 is: 7,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.36 : 15,015.96 = 5,077.53 : x
  2. Step 2: Convert to fraction form
    10,004.36/15,015.96 = 5,077.53/x
  3. Step 3: Cross multiply
    10,004.36x = 15,015.96 × 5,077.53
  4. Step 4: Simplify right side
    10,004.36x = 76,243,987.38
  5. Step 5: Solve for x
    x = 76,243,987.38/10,004.36
  6. Step 6: Final answer
    x = 7,621.08

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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.