Home / 10,362.26-14,305.61-7,715.99

Finding the Fourth Proportional to 10,362.26, 14,305.61 and 7,715.99

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Solution

The fourth proportional to 10,362.26, 14,305.61 and 7,715.99 is: 10,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.26 : 14,305.61 = 7,715.99 : x
  2. Step 2: Convert to fraction form
    10,362.26/14,305.61 = 7,715.99/x
  3. Step 3: Cross multiply
    10,362.26x = 14,305.61 × 7,715.99
  4. Step 4: Simplify right side
    10,362.26x = 110,381,943.70
  5. Step 5: Solve for x
    x = 110,381,943.70/10,362.26
  6. Step 6: Final answer
    x = 10,652.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.