Home / 11,541.81-17,315.18-3,646.64

Finding the Fourth Proportional to 11,541.81, 17,315.18 and 3,646.64

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Solution

The fourth proportional to 11,541.81, 17,315.18 and 3,646.64 is: 5,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.81 : 17,315.18 = 3,646.64 : x
  2. Step 2: Convert to fraction form
    11,541.81/17,315.18 = 3,646.64/x
  3. Step 3: Cross multiply
    11,541.81x = 17,315.18 × 3,646.64
  4. Step 4: Simplify right side
    11,541.81x = 63,142,228.00
  5. Step 5: Solve for x
    x = 63,142,228.00/11,541.81
  6. Step 6: Final answer
    x = 5,470.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.