Home / 8,461.06-11,679.39-5,104.01

Finding the Fourth Proportional to 8,461.06, 11,679.39 and 5,104.01

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Solution

The fourth proportional to 8,461.06, 11,679.39 and 5,104.01 is: 7,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.06 : 11,679.39 = 5,104.01 : x
  2. Step 2: Convert to fraction form
    8,461.06/11,679.39 = 5,104.01/x
  3. Step 3: Cross multiply
    8,461.06x = 11,679.39 × 5,104.01
  4. Step 4: Simplify right side
    8,461.06x = 59,611,752.55
  5. Step 5: Solve for x
    x = 59,611,752.55/8,461.06
  6. Step 6: Final answer
    x = 7,045.43

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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.