Home / 8,276.99-11,402.91-6,776.15

Finding the Fourth Proportional to 8,276.99, 11,402.91 and 6,776.15

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Solution

The fourth proportional to 8,276.99, 11,402.91 and 6,776.15 is: 9,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.99 : 11,402.91 = 6,776.15 : x
  2. Step 2: Convert to fraction form
    8,276.99/11,402.91 = 6,776.15/x
  3. Step 3: Cross multiply
    8,276.99x = 11,402.91 × 6,776.15
  4. Step 4: Simplify right side
    8,276.99x = 77,267,771.58
  5. Step 5: Solve for x
    x = 77,267,771.58/8,276.99
  6. Step 6: Final answer
    x = 9,335.26

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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.