Home / 10,531.53-14,533.29-5,815.71

Finding the Fourth Proportional to 10,531.53, 14,533.29 and 5,815.71

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Solution

The fourth proportional to 10,531.53, 14,533.29 and 5,815.71 is: 8,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.53 : 14,533.29 = 5,815.71 : x
  2. Step 2: Convert to fraction form
    10,531.53/14,533.29 = 5,815.71/x
  3. Step 3: Cross multiply
    10,531.53x = 14,533.29 × 5,815.71
  4. Step 4: Simplify right side
    10,531.53x = 84,521,399.99
  5. Step 5: Solve for x
    x = 84,521,399.99/10,531.53
  6. Step 6: Final answer
    x = 8,025.56

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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.