Home / 7,516.67-11,259.60-4,222.85

Finding the Fourth Proportional to 7,516.67, 11,259.60 and 4,222.85

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Solution

The fourth proportional to 7,516.67, 11,259.60 and 4,222.85 is: 6,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.67 : 11,259.60 = 4,222.85 : x
  2. Step 2: Convert to fraction form
    7,516.67/11,259.60 = 4,222.85/x
  3. Step 3: Cross multiply
    7,516.67x = 11,259.60 × 4,222.85
  4. Step 4: Simplify right side
    7,516.67x = 47,547,601.86
  5. Step 5: Solve for x
    x = 47,547,601.86/7,516.67
  6. Step 6: Final answer
    x = 6,325.62

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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.