Home / 9,402.18-12,975.16-5,153.64

Finding the Fourth Proportional to 9,402.18, 12,975.16 and 5,153.64

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Solution

The fourth proportional to 9,402.18, 12,975.16 and 5,153.64 is: 7,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.18 : 12,975.16 = 5,153.64 : x
  2. Step 2: Convert to fraction form
    9,402.18/12,975.16 = 5,153.64/x
  3. Step 3: Cross multiply
    9,402.18x = 12,975.16 × 5,153.64
  4. Step 4: Simplify right side
    9,402.18x = 66,869,333.94
  5. Step 5: Solve for x
    x = 66,869,333.94/9,402.18
  6. Step 6: Final answer
    x = 7,112.11

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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.