Home / 11,179.01-15,426.13-6,463.60

Finding the Fourth Proportional to 11,179.01, 15,426.13 and 6,463.60

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Solution

The fourth proportional to 11,179.01, 15,426.13 and 6,463.60 is: 8,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.01 : 15,426.13 = 6,463.60 : x
  2. Step 2: Convert to fraction form
    11,179.01/15,426.13 = 6,463.60/x
  3. Step 3: Cross multiply
    11,179.01x = 15,426.13 × 6,463.60
  4. Step 4: Simplify right side
    11,179.01x = 99,708,256.74
  5. Step 5: Solve for x
    x = 99,708,256.74/11,179.01
  6. Step 6: Final answer
    x = 8,919.24

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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.