Home / 10,638.06-14,679.93-5,857.07

Finding the Fourth Proportional to 10,638.06, 14,679.93 and 5,857.07

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Solution

The fourth proportional to 10,638.06, 14,679.93 and 5,857.07 is: 8,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.06 : 14,679.93 = 5,857.07 : x
  2. Step 2: Convert to fraction form
    10,638.06/14,679.93 = 5,857.07/x
  3. Step 3: Cross multiply
    10,638.06x = 14,679.93 × 5,857.07
  4. Step 4: Simplify right side
    10,638.06x = 85,981,304.21
  5. Step 5: Solve for x
    x = 85,981,304.21/10,638.06
  6. Step 6: Final answer
    x = 8,082.42

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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.