Home / 10,535.24-15,815-5,352.05

Finding the Fourth Proportional to 10,535.24, 15,815 and 5,352.05

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Solution

The fourth proportional to 10,535.24, 15,815 and 5,352.05 is: 8,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.24 : 15,815 = 5,352.05 : x
  2. Step 2: Convert to fraction form
    10,535.24/15,815 = 5,352.05/x
  3. Step 3: Cross multiply
    10,535.24x = 15,815 × 5,352.05
  4. Step 4: Simplify right side
    10,535.24x = 84,642,670.75
  5. Step 5: Solve for x
    x = 84,642,670.75/10,535.24
  6. Step 6: Final answer
    x = 8,034.24

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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.