Home / 9,725.84-13,408.02-6,884.76

Finding the Fourth Proportional to 9,725.84, 13,408.02 and 6,884.76

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Solution

The fourth proportional to 9,725.84, 13,408.02 and 6,884.76 is: 9,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.84 : 13,408.02 = 6,884.76 : x
  2. Step 2: Convert to fraction form
    9,725.84/13,408.02 = 6,884.76/x
  3. Step 3: Cross multiply
    9,725.84x = 13,408.02 × 6,884.76
  4. Step 4: Simplify right side
    9,725.84x = 92,310,999.78
  5. Step 5: Solve for x
    x = 92,310,999.78/9,725.84
  6. Step 6: Final answer
    x = 9,491.31

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Half scale
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Double scale
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Similar ratio
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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.