Home / 8,777.10-12,110.99-5,000.33

Finding the Fourth Proportional to 8,777.10, 12,110.99 and 5,000.33

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Solution

The fourth proportional to 8,777.10, 12,110.99 and 5,000.33 is: 6,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.10 : 12,110.99 = 5,000.33 : x
  2. Step 2: Convert to fraction form
    8,777.10/12,110.99 = 5,000.33/x
  3. Step 3: Cross multiply
    8,777.10x = 12,110.99 × 5,000.33
  4. Step 4: Simplify right side
    8,777.10x = 60,558,989.41
  5. Step 5: Solve for x
    x = 60,558,989.41/8,777.10
  6. Step 6: Final answer
    x = 6,899.66

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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.