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Finding the Fourth Proportional to 11,483.53, 15,811.03 and 10,432.48

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Solution

The fourth proportional to 11,483.53, 15,811.03 and 10,432.48 is: 14,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.53 : 15,811.03 = 10,432.48 : x
  2. Step 2: Convert to fraction form
    11,483.53/15,811.03 = 10,432.48/x
  3. Step 3: Cross multiply
    11,483.53x = 15,811.03 × 10,432.48
  4. Step 4: Simplify right side
    11,483.53x = 164,948,254.25
  5. Step 5: Solve for x
    x = 164,948,254.25/11,483.53
  6. Step 6: Final answer
    x = 14,363.90

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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.