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Finding the Fourth Proportional to 8,362.44, 11,547.97 and 5,383.45

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Solution

The fourth proportional to 8,362.44, 11,547.97 and 5,383.45 is: 7,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.44 : 11,547.97 = 5,383.45 : x
  2. Step 2: Convert to fraction form
    8,362.44/11,547.97 = 5,383.45/x
  3. Step 3: Cross multiply
    8,362.44x = 11,547.97 × 5,383.45
  4. Step 4: Simplify right side
    8,362.44x = 62,167,919.10
  5. Step 5: Solve for x
    x = 62,167,919.10/8,362.44
  6. Step 6: Final answer
    x = 7,434.18

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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.