Home / 9,180.96-13,772.12-2,607.68

Finding the Fourth Proportional to 9,180.96, 13,772.12 and 2,607.68

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Solution

The fourth proportional to 9,180.96, 13,772.12 and 2,607.68 is: 3,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.96 : 13,772.12 = 2,607.68 : x
  2. Step 2: Convert to fraction form
    9,180.96/13,772.12 = 2,607.68/x
  3. Step 3: Cross multiply
    9,180.96x = 13,772.12 × 2,607.68
  4. Step 4: Simplify right side
    9,180.96x = 35,913,199.98
  5. Step 5: Solve for x
    x = 35,913,199.98/9,180.96
  6. Step 6: Final answer
    x = 3,911.70

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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.