Home / 10,082.80-13,913.52-5,606.44

Finding the Fourth Proportional to 10,082.80, 13,913.52 and 5,606.44

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Solution

The fourth proportional to 10,082.80, 13,913.52 and 5,606.44 is: 7,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.80 : 13,913.52 = 5,606.44 : x
  2. Step 2: Convert to fraction form
    10,082.80/13,913.52 = 5,606.44/x
  3. Step 3: Cross multiply
    10,082.80x = 13,913.52 × 5,606.44
  4. Step 4: Simplify right side
    10,082.80x = 78,005,315.07
  5. Step 5: Solve for x
    x = 78,005,315.07/10,082.80
  6. Step 6: Final answer
    x = 7,736.47

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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.