Home / 9,120.94-12,554.76-6,598.96

Finding the Fourth Proportional to 9,120.94, 12,554.76 and 6,598.96

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Solution

The fourth proportional to 9,120.94, 12,554.76 and 6,598.96 is: 9,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.94 : 12,554.76 = 6,598.96 : x
  2. Step 2: Convert to fraction form
    9,120.94/12,554.76 = 6,598.96/x
  3. Step 3: Cross multiply
    9,120.94x = 12,554.76 × 6,598.96
  4. Step 4: Simplify right side
    9,120.94x = 82,848,359.05
  5. Step 5: Solve for x
    x = 82,848,359.05/9,120.94
  6. Step 6: Final answer
    x = 9,083.31

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Half scale
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Double scale
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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.