Home / 34,145.81-51,216.88-10,453.36

Finding the Fourth Proportional to 34,145.81, 51,216.88 and 10,453.36

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Solution

The fourth proportional to 34,145.81, 51,216.88 and 10,453.36 is: 15,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.81 : 51,216.88 = 10,453.36 : x
  2. Step 2: Convert to fraction form
    34,145.81/51,216.88 = 10,453.36/x
  3. Step 3: Cross multiply
    34,145.81x = 51,216.88 × 10,453.36
  4. Step 4: Simplify right side
    34,145.81x = 535,388,484.72
  5. Step 5: Solve for x
    x = 535,388,484.72/34,145.81
  6. Step 6: Final answer
    x = 15,679.48

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1.5x scale

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.