Home / 10,395.72-15,593.09-3,821.45

Finding the Fourth Proportional to 10,395.72, 15,593.09 and 3,821.45

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Solution

The fourth proportional to 10,395.72, 15,593.09 and 3,821.45 is: 5,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.72 : 15,593.09 = 3,821.45 : x
  2. Step 2: Convert to fraction form
    10,395.72/15,593.09 = 3,821.45/x
  3. Step 3: Cross multiply
    10,395.72x = 15,593.09 × 3,821.45
  4. Step 4: Simplify right side
    10,395.72x = 59,588,116.71
  5. Step 5: Solve for x
    x = 59,588,116.71/10,395.72
  6. Step 6: Final answer
    x = 5,731.99

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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.