Home / 12,496.81-18,750.40-5,473.20

Finding the Fourth Proportional to 12,496.81, 18,750.40 and 5,473.20

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Solution

The fourth proportional to 12,496.81, 18,750.40 and 5,473.20 is: 8,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.81 : 18,750.40 = 5,473.20 : x
  2. Step 2: Convert to fraction form
    12,496.81/18,750.40 = 5,473.20/x
  3. Step 3: Cross multiply
    12,496.81x = 18,750.40 × 5,473.20
  4. Step 4: Simplify right side
    12,496.81x = 102,624,689.28
  5. Step 5: Solve for x
    x = 102,624,689.28/12,496.81
  6. Step 6: Final answer
    x = 8,212.07

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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.