Home / 8,519.36-12,762.60-6,961.11

Finding the Fourth Proportional to 8,519.36, 12,762.60 and 6,961.11

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Solution

The fourth proportional to 8,519.36, 12,762.60 and 6,961.11 is: 10,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.36 : 12,762.60 = 6,961.11 : x
  2. Step 2: Convert to fraction form
    8,519.36/12,762.60 = 6,961.11/x
  3. Step 3: Cross multiply
    8,519.36x = 12,762.60 × 6,961.11
  4. Step 4: Simplify right side
    8,519.36x = 88,841,862.49
  5. Step 5: Solve for x
    x = 88,841,862.49/8,519.36
  6. Step 6: Final answer
    x = 10,428.24

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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.