Home / 12,700.44-19,052.28-5,310

Finding the Fourth Proportional to 12,700.44, 19,052.28 and 5,310

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Solution

The fourth proportional to 12,700.44, 19,052.28 and 5,310 is: 7,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.44 : 19,052.28 = 5,310 : x
  2. Step 2: Convert to fraction form
    12,700.44/19,052.28 = 5,310/x
  3. Step 3: Cross multiply
    12,700.44x = 19,052.28 × 5,310
  4. Step 4: Simplify right side
    12,700.44x = 101,167,606.80
  5. Step 5: Solve for x
    x = 101,167,606.80/12,700.44
  6. Step 6: Final answer
    x = 7,965.68

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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.