Home / 10,785.17-16,185.14-3,765.18

Finding the Fourth Proportional to 10,785.17, 16,185.14 and 3,765.18

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Solution

The fourth proportional to 10,785.17, 16,185.14 and 3,765.18 is: 5,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.17 : 16,185.14 = 3,765.18 : x
  2. Step 2: Convert to fraction form
    10,785.17/16,185.14 = 3,765.18/x
  3. Step 3: Cross multiply
    10,785.17x = 16,185.14 × 3,765.18
  4. Step 4: Simplify right side
    10,785.17x = 60,939,953.66
  5. Step 5: Solve for x
    x = 60,939,953.66/10,785.17
  6. Step 6: Final answer
    x = 5,650.35

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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.