Home / 8,650.36-11,937.62-5,113.57

Finding the Fourth Proportional to 8,650.36, 11,937.62 and 5,113.57

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Solution

The fourth proportional to 8,650.36, 11,937.62 and 5,113.57 is: 7,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.36 : 11,937.62 = 5,113.57 : x
  2. Step 2: Convert to fraction form
    8,650.36/11,937.62 = 5,113.57/x
  3. Step 3: Cross multiply
    8,650.36x = 11,937.62 × 5,113.57
  4. Step 4: Simplify right side
    8,650.36x = 61,043,855.50
  5. Step 5: Solve for x
    x = 61,043,855.50/8,650.36
  6. Step 6: Final answer
    x = 7,056.80

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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.