Home / 7,492.68-11,217.15-5,412.60

Finding the Fourth Proportional to 7,492.68, 11,217.15 and 5,412.60

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Solution

The fourth proportional to 7,492.68, 11,217.15 and 5,412.60 is: 8,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.68 : 11,217.15 = 5,412.60 : x
  2. Step 2: Convert to fraction form
    7,492.68/11,217.15 = 5,412.60/x
  3. Step 3: Cross multiply
    7,492.68x = 11,217.15 × 5,412.60
  4. Step 4: Simplify right side
    7,492.68x = 60,713,946.09
  5. Step 5: Solve for x
    x = 60,713,946.09/7,492.68
  6. Step 6: Final answer
    x = 8,103.10

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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.