Home / 7,520.85-11,254.55-4,886.73

Finding the Fourth Proportional to 7,520.85, 11,254.55 and 4,886.73

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Solution

The fourth proportional to 7,520.85, 11,254.55 and 4,886.73 is: 7,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.85 : 11,254.55 = 4,886.73 : x
  2. Step 2: Convert to fraction form
    7,520.85/11,254.55 = 4,886.73/x
  3. Step 3: Cross multiply
    7,520.85x = 11,254.55 × 4,886.73
  4. Step 4: Simplify right side
    7,520.85x = 54,997,922.69
  5. Step 5: Solve for x
    x = 54,997,922.69/7,520.85
  6. Step 6: Final answer
    x = 7,312.73

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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.