Home / 9,531.71-13,153.40-5,282.66

Finding the Fourth Proportional to 9,531.71, 13,153.40 and 5,282.66

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Solution

The fourth proportional to 9,531.71, 13,153.40 and 5,282.66 is: 7,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.71 : 13,153.40 = 5,282.66 : x
  2. Step 2: Convert to fraction form
    9,531.71/13,153.40 = 5,282.66/x
  3. Step 3: Cross multiply
    9,531.71x = 13,153.40 × 5,282.66
  4. Step 4: Simplify right side
    9,531.71x = 69,484,847.86
  5. Step 5: Solve for x
    x = 69,484,847.86/9,531.71
  6. Step 6: Final answer
    x = 7,289.87

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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.