Home / 7,492.68-11,239.57-2,155.64

Finding the Fourth Proportional to 7,492.68, 11,239.57 and 2,155.64

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Solution

The fourth proportional to 7,492.68, 11,239.57 and 2,155.64 is: 3,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.68 : 11,239.57 = 2,155.64 : x
  2. Step 2: Convert to fraction form
    7,492.68/11,239.57 = 2,155.64/x
  3. Step 3: Cross multiply
    7,492.68x = 11,239.57 × 2,155.64
  4. Step 4: Simplify right side
    7,492.68x = 24,228,455.90
  5. Step 5: Solve for x
    x = 24,228,455.90/7,492.68
  6. Step 6: Final answer
    x = 3,233.62

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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.