Home / 12,350.70-18,530.10-4,953.18

Finding the Fourth Proportional to 12,350.70, 18,530.10 and 4,953.18

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Solution

The fourth proportional to 12,350.70, 18,530.10 and 4,953.18 is: 7,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.70 : 18,530.10 = 4,953.18 : x
  2. Step 2: Convert to fraction form
    12,350.70/18,530.10 = 4,953.18/x
  3. Step 3: Cross multiply
    12,350.70x = 18,530.10 × 4,953.18
  4. Step 4: Simplify right side
    12,350.70x = 91,782,920.72
  5. Step 5: Solve for x
    x = 91,782,920.72/12,350.70
  6. Step 6: Final answer
    x = 7,431.39

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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.