Home / 9,200.24-12,696.30-5,166.51

Finding the Fourth Proportional to 9,200.24, 12,696.30 and 5,166.51

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Solution

The fourth proportional to 9,200.24, 12,696.30 and 5,166.51 is: 7,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.24 : 12,696.30 = 5,166.51 : x
  2. Step 2: Convert to fraction form
    9,200.24/12,696.30 = 5,166.51/x
  3. Step 3: Cross multiply
    9,200.24x = 12,696.30 × 5,166.51
  4. Step 4: Simplify right side
    9,200.24x = 65,595,535.08
  5. Step 5: Solve for x
    x = 65,595,535.08/9,200.24
  6. Step 6: Final answer
    x = 7,129.76

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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.