Home / 7,671.24-11,492.28-5,199.12

Finding the Fourth Proportional to 7,671.24, 11,492.28 and 5,199.12

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Solution

The fourth proportional to 7,671.24, 11,492.28 and 5,199.12 is: 7,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.24 : 11,492.28 = 5,199.12 : x
  2. Step 2: Convert to fraction form
    7,671.24/11,492.28 = 5,199.12/x
  3. Step 3: Cross multiply
    7,671.24x = 11,492.28 × 5,199.12
  4. Step 4: Simplify right side
    7,671.24x = 59,749,742.79
  5. Step 5: Solve for x
    x = 59,749,742.79/7,671.24
  6. Step 6: Final answer
    x = 7,788.80

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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.