Home / 8,935.83-12,332.30-5,398.97

Finding the Fourth Proportional to 8,935.83, 12,332.30 and 5,398.97

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Solution

The fourth proportional to 8,935.83, 12,332.30 and 5,398.97 is: 7,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.83 : 12,332.30 = 5,398.97 : x
  2. Step 2: Convert to fraction form
    8,935.83/12,332.30 = 5,398.97/x
  3. Step 3: Cross multiply
    8,935.83x = 12,332.30 × 5,398.97
  4. Step 4: Simplify right side
    8,935.83x = 66,581,629.07
  5. Step 5: Solve for x
    x = 66,581,629.07/8,935.83
  6. Step 6: Final answer
    x = 7,451.09

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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.