Home / 11,440.64-15,779.41-9,850.01

Finding the Fourth Proportional to 11,440.64, 15,779.41 and 9,850.01

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Solution

The fourth proportional to 11,440.64, 15,779.41 and 9,850.01 is: 13,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.64 : 15,779.41 = 9,850.01 : x
  2. Step 2: Convert to fraction form
    11,440.64/15,779.41 = 9,850.01/x
  3. Step 3: Cross multiply
    11,440.64x = 15,779.41 × 9,850.01
  4. Step 4: Simplify right side
    11,440.64x = 155,427,242.77
  5. Step 5: Solve for x
    x = 155,427,242.77/11,440.64
  6. Step 6: Final answer
    x = 13,585.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.