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Finding the Fourth Proportional to 8,618.84, 11,894.04 and 5,036.34

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Solution

The fourth proportional to 8,618.84, 11,894.04 and 5,036.34 is: 6,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.84 : 11,894.04 = 5,036.34 : x
  2. Step 2: Convert to fraction form
    8,618.84/11,894.04 = 5,036.34/x
  3. Step 3: Cross multiply
    8,618.84x = 11,894.04 × 5,036.34
  4. Step 4: Simplify right side
    8,618.84x = 59,902,373.66
  5. Step 5: Solve for x
    x = 59,902,373.66/8,618.84
  6. Step 6: Final answer
    x = 6,950.17

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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.