Home / 13,483.17-18,605.23-7,816.73

Finding the Fourth Proportional to 13,483.17, 18,605.23 and 7,816.73

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Solution

The fourth proportional to 13,483.17, 18,605.23 and 7,816.73 is: 10,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.17 : 18,605.23 = 7,816.73 : x
  2. Step 2: Convert to fraction form
    13,483.17/18,605.23 = 7,816.73/x
  3. Step 3: Cross multiply
    13,483.17x = 18,605.23 × 7,816.73
  4. Step 4: Simplify right side
    13,483.17x = 145,432,059.50
  5. Step 5: Solve for x
    x = 145,432,059.50/13,483.17
  6. Step 6: Final answer
    x = 10,786.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.