Home / 8,125.18-11,213.50-4,937.74

Finding the Fourth Proportional to 8,125.18, 11,213.50 and 4,937.74

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Solution

The fourth proportional to 8,125.18, 11,213.50 and 4,937.74 is: 6,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.18 : 11,213.50 = 4,937.74 : x
  2. Step 2: Convert to fraction form
    8,125.18/11,213.50 = 4,937.74/x
  3. Step 3: Cross multiply
    8,125.18x = 11,213.50 × 4,937.74
  4. Step 4: Simplify right side
    8,125.18x = 55,369,347.49
  5. Step 5: Solve for x
    x = 55,369,347.49/8,125.18
  6. Step 6: Final answer
    x = 6,814.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.