Home / 10,906.76-15,051.51-10,529.60

Finding the Fourth Proportional to 10,906.76, 15,051.51 and 10,529.60

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Solution

The fourth proportional to 10,906.76, 15,051.51 and 10,529.60 is: 14,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.76 : 15,051.51 = 10,529.60 : x
  2. Step 2: Convert to fraction form
    10,906.76/15,051.51 = 10,529.60/x
  3. Step 3: Cross multiply
    10,906.76x = 15,051.51 × 10,529.60
  4. Step 4: Simplify right side
    10,906.76x = 158,486,379.70
  5. Step 5: Solve for x
    x = 158,486,379.70/10,906.76
  6. Step 6: Final answer
    x = 14,531.02

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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.