Home / 10,553.02-15,823.53-4,305.71

Finding the Fourth Proportional to 10,553.02, 15,823.53 and 4,305.71

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Solution

The fourth proportional to 10,553.02, 15,823.53 and 4,305.71 is: 6,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.02 : 15,823.53 = 4,305.71 : x
  2. Step 2: Convert to fraction form
    10,553.02/15,823.53 = 4,305.71/x
  3. Step 3: Cross multiply
    10,553.02x = 15,823.53 × 4,305.71
  4. Step 4: Simplify right side
    10,553.02x = 68,131,570.92
  5. Step 5: Solve for x
    x = 68,131,570.92/10,553.02
  6. Step 6: Final answer
    x = 6,456.12

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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.