Home / 10,082.75-13,914.20-5,666.75

Finding the Fourth Proportional to 10,082.75, 13,914.20 and 5,666.75

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Solution

The fourth proportional to 10,082.75, 13,914.20 and 5,666.75 is: 7,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.75 : 13,914.20 = 5,666.75 : x
  2. Step 2: Convert to fraction form
    10,082.75/13,914.20 = 5,666.75/x
  3. Step 3: Cross multiply
    10,082.75x = 13,914.20 × 5,666.75
  4. Step 4: Simplify right side
    10,082.75x = 78,848,264.52
  5. Step 5: Solve for x
    x = 78,848,264.52/10,082.75
  6. Step 6: Final answer
    x = 7,820.12

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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.