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Finding the Fourth Proportional to 8,547.97, 11,793.03 and 5,009.89

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Solution

The fourth proportional to 8,547.97, 11,793.03 and 5,009.89 is: 6,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.97 : 11,793.03 = 5,009.89 : x
  2. Step 2: Convert to fraction form
    8,547.97/11,793.03 = 5,009.89/x
  3. Step 3: Cross multiply
    8,547.97x = 11,793.03 × 5,009.89
  4. Step 4: Simplify right side
    8,547.97x = 59,081,783.07
  5. Step 5: Solve for x
    x = 59,081,783.07/8,547.97
  6. Step 6: Final answer
    x = 6,911.79

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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.