Home / 8,935.13-12,330.19-5,397.73

Finding the Fourth Proportional to 8,935.13, 12,330.19 and 5,397.73

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Solution

The fourth proportional to 8,935.13, 12,330.19 and 5,397.73 is: 7,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.13 : 12,330.19 = 5,397.73 : x
  2. Step 2: Convert to fraction form
    8,935.13/12,330.19 = 5,397.73/x
  3. Step 3: Cross multiply
    8,935.13x = 12,330.19 × 5,397.73
  4. Step 4: Simplify right side
    8,935.13x = 66,555,012.39
  5. Step 5: Solve for x
    x = 66,555,012.39/8,935.13
  6. Step 6: Final answer
    x = 7,448.69

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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.