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Finding the Fourth Proportional to 10,740, 14,817.62 and 6,492.36

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Solution

The fourth proportional to 10,740, 14,817.62 and 6,492.36 is: 8,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740 : 14,817.62 = 6,492.36 : x
  2. Step 2: Convert to fraction form
    10,740/14,817.62 = 6,492.36/x
  3. Step 3: Cross multiply
    10,740x = 14,817.62 × 6,492.36
  4. Step 4: Simplify right side
    10,740x = 96,201,323.38
  5. Step 5: Solve for x
    x = 96,201,323.38/10,740
  6. Step 6: Final answer
    x = 8,957.29

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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.