Home / 10,002.64-13,795.77-9,331.96

Finding the Fourth Proportional to 10,002.64, 13,795.77 and 9,331.96

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Solution

The fourth proportional to 10,002.64, 13,795.77 and 9,331.96 is: 12,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.64 : 13,795.77 = 9,331.96 : x
  2. Step 2: Convert to fraction form
    10,002.64/13,795.77 = 9,331.96/x
  3. Step 3: Cross multiply
    10,002.64x = 13,795.77 × 9,331.96
  4. Step 4: Simplify right side
    10,002.64x = 128,741,573.81
  5. Step 5: Solve for x
    x = 128,741,573.81/10,002.64
  6. Step 6: Final answer
    x = 12,870.76

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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.