Home / 10,558.81-14,568.88-6,731.90

Finding the Fourth Proportional to 10,558.81, 14,568.88 and 6,731.90

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Solution

The fourth proportional to 10,558.81, 14,568.88 and 6,731.90 is: 9,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.81 : 14,568.88 = 6,731.90 : x
  2. Step 2: Convert to fraction form
    10,558.81/14,568.88 = 6,731.90/x
  3. Step 3: Cross multiply
    10,558.81x = 14,568.88 × 6,731.90
  4. Step 4: Simplify right side
    10,558.81x = 98,076,243.27
  5. Step 5: Solve for x
    x = 98,076,243.27/10,558.81
  6. Step 6: Final answer
    x = 9,288.57

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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.