Home / 11,155.62-16,734.96-3,762.18

Finding the Fourth Proportional to 11,155.62, 16,734.96 and 3,762.18

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Solution

The fourth proportional to 11,155.62, 16,734.96 and 3,762.18 is: 5,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.62 : 16,734.96 = 3,762.18 : x
  2. Step 2: Convert to fraction form
    11,155.62/16,734.96 = 3,762.18/x
  3. Step 3: Cross multiply
    11,155.62x = 16,734.96 × 3,762.18
  4. Step 4: Simplify right side
    11,155.62x = 62,959,931.81
  5. Step 5: Solve for x
    x = 62,959,931.81/11,155.62
  6. Step 6: Final answer
    x = 5,643.79

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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.