Home / 12,483.18-18,710.37-4,684.14

Finding the Fourth Proportional to 12,483.18, 18,710.37 and 4,684.14

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Solution

The fourth proportional to 12,483.18, 18,710.37 and 4,684.14 is: 7,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.18 : 18,710.37 = 4,684.14 : x
  2. Step 2: Convert to fraction form
    12,483.18/18,710.37 = 4,684.14/x
  3. Step 3: Cross multiply
    12,483.18x = 18,710.37 × 4,684.14
  4. Step 4: Simplify right side
    12,483.18x = 87,641,992.53
  5. Step 5: Solve for x
    x = 87,641,992.53/12,483.18
  6. Step 6: Final answer
    x = 7,020.81

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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.