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Finding the Fourth Proportional to 8,706.14, 12,014.30 and 4,929.24

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Solution

The fourth proportional to 8,706.14, 12,014.30 and 4,929.24 is: 6,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.14 : 12,014.30 = 4,929.24 : x
  2. Step 2: Convert to fraction form
    8,706.14/12,014.30 = 4,929.24/x
  3. Step 3: Cross multiply
    8,706.14x = 12,014.30 × 4,929.24
  4. Step 4: Simplify right side
    8,706.14x = 59,221,380.46
  5. Step 5: Solve for x
    x = 59,221,380.46/8,706.14
  6. Step 6: Final answer
    x = 6,802.26

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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.