Home / 10,259.82-15,384.12-6,928.02

Finding the Fourth Proportional to 10,259.82, 15,384.12 and 6,928.02

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Solution

The fourth proportional to 10,259.82, 15,384.12 and 6,928.02 is: 10,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.82 : 15,384.12 = 6,928.02 : x
  2. Step 2: Convert to fraction form
    10,259.82/15,384.12 = 6,928.02/x
  3. Step 3: Cross multiply
    10,259.82x = 15,384.12 × 6,928.02
  4. Step 4: Simplify right side
    10,259.82x = 106,581,491.04
  5. Step 5: Solve for x
    x = 106,581,491.04/10,259.82
  6. Step 6: Final answer
    x = 10,388.24

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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.