Home / 10,536.08-15,812.01-4,991.02

Finding the Fourth Proportional to 10,536.08, 15,812.01 and 4,991.02

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Solution

The fourth proportional to 10,536.08, 15,812.01 and 4,991.02 is: 7,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.08 : 15,812.01 = 4,991.02 : x
  2. Step 2: Convert to fraction form
    10,536.08/15,812.01 = 4,991.02/x
  3. Step 3: Cross multiply
    10,536.08x = 15,812.01 × 4,991.02
  4. Step 4: Simplify right side
    10,536.08x = 78,918,018.62
  5. Step 5: Solve for x
    x = 78,918,018.62/10,536.08
  6. Step 6: Final answer
    x = 7,490.27

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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.