Home / 7,476.15-11,214.23-6,513.87

Finding the Fourth Proportional to 7,476.15, 11,214.23 and 6,513.87

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Solution

The fourth proportional to 7,476.15, 11,214.23 and 6,513.87 is: 9,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.15 : 11,214.23 = 6,513.87 : x
  2. Step 2: Convert to fraction form
    7,476.15/11,214.23 = 6,513.87/x
  3. Step 3: Cross multiply
    7,476.15x = 11,214.23 × 6,513.87
  4. Step 4: Simplify right side
    7,476.15x = 73,048,036.37
  5. Step 5: Solve for x
    x = 73,048,036.37/7,476.15
  6. Step 6: Final answer
    x = 9,770.81

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.