Home / 7,176.08-10,767.16-3,885.28

Finding the Fourth Proportional to 7,176.08, 10,767.16 and 3,885.28

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Solution

The fourth proportional to 7,176.08, 10,767.16 and 3,885.28 is: 5,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.08 : 10,767.16 = 3,885.28 : x
  2. Step 2: Convert to fraction form
    7,176.08/10,767.16 = 3,885.28/x
  3. Step 3: Cross multiply
    7,176.08x = 10,767.16 × 3,885.28
  4. Step 4: Simplify right side
    7,176.08x = 41,833,431.40
  5. Step 5: Solve for x
    x = 41,833,431.40/7,176.08
  6. Step 6: Final answer
    x = 5,829.57

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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.