Home / 10,922.14-15,057.28-9,236.77

Finding the Fourth Proportional to 10,922.14, 15,057.28 and 9,236.77

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Solution

The fourth proportional to 10,922.14, 15,057.28 and 9,236.77 is: 12,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.14 : 15,057.28 = 9,236.77 : x
  2. Step 2: Convert to fraction form
    10,922.14/15,057.28 = 9,236.77/x
  3. Step 3: Cross multiply
    10,922.14x = 15,057.28 × 9,236.77
  4. Step 4: Simplify right side
    10,922.14x = 139,080,632.19
  5. Step 5: Solve for x
    x = 139,080,632.19/10,922.14
  6. Step 6: Final answer
    x = 12,733.83

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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.