Home / 10,641.28-14,685.60-6,163.60

Finding the Fourth Proportional to 10,641.28, 14,685.60 and 6,163.60

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Solution

The fourth proportional to 10,641.28, 14,685.60 and 6,163.60 is: 8,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.28 : 14,685.60 = 6,163.60 : x
  2. Step 2: Convert to fraction form
    10,641.28/14,685.60 = 6,163.60/x
  3. Step 3: Cross multiply
    10,641.28x = 14,685.60 × 6,163.60
  4. Step 4: Simplify right side
    10,641.28x = 90,516,164.16
  5. Step 5: Solve for x
    x = 90,516,164.16/10,641.28
  6. Step 6: Final answer
    x = 8,506.13

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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.