Home / 8,156.48-11,245.98-6,895.28

Finding the Fourth Proportional to 8,156.48, 11,245.98 and 6,895.28

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Solution

The fourth proportional to 8,156.48, 11,245.98 and 6,895.28 is: 9,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.48 : 11,245.98 = 6,895.28 : x
  2. Step 2: Convert to fraction form
    8,156.48/11,245.98 = 6,895.28/x
  3. Step 3: Cross multiply
    8,156.48x = 11,245.98 × 6,895.28
  4. Step 4: Simplify right side
    8,156.48x = 77,544,180.97
  5. Step 5: Solve for x
    x = 77,544,180.97/8,156.48
  6. Step 6: Final answer
    x = 9,507.06

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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.