Home / 8,923.13-12,308.96-5,686.91

Finding the Fourth Proportional to 8,923.13, 12,308.96 and 5,686.91

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Solution

The fourth proportional to 8,923.13, 12,308.96 and 5,686.91 is: 7,844.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.13 : 12,308.96 = 5,686.91 : x
  2. Step 2: Convert to fraction form
    8,923.13/12,308.96 = 5,686.91/x
  3. Step 3: Cross multiply
    8,923.13x = 12,308.96 × 5,686.91
  4. Step 4: Simplify right side
    8,923.13x = 69,999,857.73
  5. Step 5: Solve for x
    x = 69,999,857.73/8,923.13
  6. Step 6: Final answer
    x = 7,844.77

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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.