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Finding the Fourth Proportional to 10,395.74, 14,347.68 and 6,364.88

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Solution

The fourth proportional to 10,395.74, 14,347.68 and 6,364.88 is: 8,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.74 : 14,347.68 = 6,364.88 : x
  2. Step 2: Convert to fraction form
    10,395.74/14,347.68 = 6,364.88/x
  3. Step 3: Cross multiply
    10,395.74x = 14,347.68 × 6,364.88
  4. Step 4: Simplify right side
    10,395.74x = 91,321,261.48
  5. Step 5: Solve for x
    x = 91,321,261.48/10,395.74
  6. Step 6: Final answer
    x = 8,784.49

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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.