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Finding the Fourth Proportional to 11,463.67, 15,814.04 and 7,487.11

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Solution

The fourth proportional to 11,463.67, 15,814.04 and 7,487.11 is: 10,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.67 : 15,814.04 = 7,487.11 : x
  2. Step 2: Convert to fraction form
    11,463.67/15,814.04 = 7,487.11/x
  3. Step 3: Cross multiply
    11,463.67x = 15,814.04 × 7,487.11
  4. Step 4: Simplify right side
    11,463.67x = 118,401,457.02
  5. Step 5: Solve for x
    x = 118,401,457.02/11,463.67
  6. Step 6: Final answer
    x = 10,328.41

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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.