Home / 8,101.32-11,178.24-4,955.28

Finding the Fourth Proportional to 8,101.32, 11,178.24 and 4,955.28

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Solution

The fourth proportional to 8,101.32, 11,178.24 and 4,955.28 is: 6,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.32 : 11,178.24 = 4,955.28 : x
  2. Step 2: Convert to fraction form
    8,101.32/11,178.24 = 4,955.28/x
  3. Step 3: Cross multiply
    8,101.32x = 11,178.24 × 4,955.28
  4. Step 4: Simplify right side
    8,101.32x = 55,391,309.11
  5. Step 5: Solve for x
    x = 55,391,309.11/8,101.32
  6. Step 6: Final answer
    x = 6,837.32

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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.