Home / 12,317.10-18,471.93-4,922.58

Finding the Fourth Proportional to 12,317.10, 18,471.93 and 4,922.58

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Solution

The fourth proportional to 12,317.10, 18,471.93 and 4,922.58 is: 7,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.10 : 18,471.93 = 4,922.58 : x
  2. Step 2: Convert to fraction form
    12,317.10/18,471.93 = 4,922.58/x
  3. Step 3: Cross multiply
    12,317.10x = 18,471.93 × 4,922.58
  4. Step 4: Simplify right side
    12,317.10x = 90,929,553.18
  5. Step 5: Solve for x
    x = 90,929,553.18/12,317.10
  6. Step 6: Final answer
    x = 7,382.38

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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.