Home / 7,450.29-11,172.65-2,184.21

Finding the Fourth Proportional to 7,450.29, 11,172.65 and 2,184.21

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Solution

The fourth proportional to 7,450.29, 11,172.65 and 2,184.21 is: 3,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.29 : 11,172.65 = 2,184.21 : x
  2. Step 2: Convert to fraction form
    7,450.29/11,172.65 = 2,184.21/x
  3. Step 3: Cross multiply
    7,450.29x = 11,172.65 × 2,184.21
  4. Step 4: Simplify right side
    7,450.29x = 24,403,402.94
  5. Step 5: Solve for x
    x = 24,403,402.94/7,450.29
  6. Step 6: Final answer
    x = 3,275.50

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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.