Home / 8,509.47-11,730.76-5,633.38

Finding the Fourth Proportional to 8,509.47, 11,730.76 and 5,633.38

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Solution

The fourth proportional to 8,509.47, 11,730.76 and 5,633.38 is: 7,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.47 : 11,730.76 = 5,633.38 : x
  2. Step 2: Convert to fraction form
    8,509.47/11,730.76 = 5,633.38/x
  3. Step 3: Cross multiply
    8,509.47x = 11,730.76 × 5,633.38
  4. Step 4: Simplify right side
    8,509.47x = 66,083,771.28
  5. Step 5: Solve for x
    x = 66,083,771.28/8,509.47
  6. Step 6: Final answer
    x = 7,765.91

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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.