Home / 10,553.09-15,823.79-4,317.48

Finding the Fourth Proportional to 10,553.09, 15,823.79 and 4,317.48

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Solution

The fourth proportional to 10,553.09, 15,823.79 and 4,317.48 is: 6,473.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.09 : 15,823.79 = 4,317.48 : x
  2. Step 2: Convert to fraction form
    10,553.09/15,823.79 = 4,317.48/x
  3. Step 3: Cross multiply
    10,553.09x = 15,823.79 × 4,317.48
  4. Step 4: Simplify right side
    10,553.09x = 68,318,875.26
  5. Step 5: Solve for x
    x = 68,318,875.26/10,553.09
  6. Step 6: Final answer
    x = 6,473.83

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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.