Home / 10,161.81-15,216.66-7,037.37

Finding the Fourth Proportional to 10,161.81, 15,216.66 and 7,037.37

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Solution

The fourth proportional to 10,161.81, 15,216.66 and 7,037.37 is: 10,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.81 : 15,216.66 = 7,037.37 : x
  2. Step 2: Convert to fraction form
    10,161.81/15,216.66 = 7,037.37/x
  3. Step 3: Cross multiply
    10,161.81x = 15,216.66 × 7,037.37
  4. Step 4: Simplify right side
    10,161.81x = 107,085,266.58
  5. Step 5: Solve for x
    x = 107,085,266.58/10,161.81
  6. Step 6: Final answer
    x = 10,538.01

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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.