Home / 11,035.64-15,231.60-6,790.36

Finding the Fourth Proportional to 11,035.64, 15,231.60 and 6,790.36

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Solution

The fourth proportional to 11,035.64, 15,231.60 and 6,790.36 is: 9,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.64 : 15,231.60 = 6,790.36 : x
  2. Step 2: Convert to fraction form
    11,035.64/15,231.60 = 6,790.36/x
  3. Step 3: Cross multiply
    11,035.64x = 15,231.60 × 6,790.36
  4. Step 4: Simplify right side
    11,035.64x = 103,428,047.38
  5. Step 5: Solve for x
    x = 103,428,047.38/11,035.64
  6. Step 6: Final answer
    x = 9,372.18

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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.