Home / 9,251.49-12,768.56-6,877.23

Finding the Fourth Proportional to 9,251.49, 12,768.56 and 6,877.23

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Solution

The fourth proportional to 9,251.49, 12,768.56 and 6,877.23 is: 9,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.49 : 12,768.56 = 6,877.23 : x
  2. Step 2: Convert to fraction form
    9,251.49/12,768.56 = 6,877.23/x
  3. Step 3: Cross multiply
    9,251.49x = 12,768.56 × 6,877.23
  4. Step 4: Simplify right side
    9,251.49x = 87,812,260.05
  5. Step 5: Solve for x
    x = 87,812,260.05/9,251.49
  6. Step 6: Final answer
    x = 9,491.69

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Half scale
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Double scale
Find fourth proportional to 9,252.49, 12,769.94 and 6,878.23
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.