Home / 7,347.72-11,021.70-7,336.92

Finding the Fourth Proportional to 7,347.72, 11,021.70 and 7,336.92

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Solution

The fourth proportional to 7,347.72, 11,021.70 and 7,336.92 is: 11,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.72 : 11,021.70 = 7,336.92 : x
  2. Step 2: Convert to fraction form
    7,347.72/11,021.70 = 7,336.92/x
  3. Step 3: Cross multiply
    7,347.72x = 11,021.70 × 7,336.92
  4. Step 4: Simplify right side
    7,347.72x = 80,865,331.16
  5. Step 5: Solve for x
    x = 80,865,331.16/7,347.72
  6. Step 6: Final answer
    x = 11,005.50

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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.