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Finding the Fourth Proportional to 8,707.04, 12,013.73 and 4,929.68

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Solution

The fourth proportional to 8,707.04, 12,013.73 and 4,929.68 is: 6,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.04 : 12,013.73 = 4,929.68 : x
  2. Step 2: Convert to fraction form
    8,707.04/12,013.73 = 4,929.68/x
  3. Step 3: Cross multiply
    8,707.04x = 12,013.73 × 4,929.68
  4. Step 4: Simplify right side
    8,707.04x = 59,223,868.38
  5. Step 5: Solve for x
    x = 59,223,868.38/8,707.04
  6. Step 6: Final answer
    x = 6,801.83

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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.