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Finding the Fourth Proportional to 10,807.68, 14,914.58 and 5,839.68

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Solution

The fourth proportional to 10,807.68, 14,914.58 and 5,839.68 is: 8,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.68 : 14,914.58 = 5,839.68 : x
  2. Step 2: Convert to fraction form
    10,807.68/14,914.58 = 5,839.68/x
  3. Step 3: Cross multiply
    10,807.68x = 14,914.58 × 5,839.68
  4. Step 4: Simplify right side
    10,807.68x = 87,096,374.53
  5. Step 5: Solve for x
    x = 87,096,374.53/10,807.68
  6. Step 6: Final answer
    x = 8,058.75

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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.