Home / 10,653.04-15,976.32-5,103.52

Finding the Fourth Proportional to 10,653.04, 15,976.32 and 5,103.52

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Solution

The fourth proportional to 10,653.04, 15,976.32 and 5,103.52 is: 7,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.04 : 15,976.32 = 5,103.52 : x
  2. Step 2: Convert to fraction form
    10,653.04/15,976.32 = 5,103.52/x
  3. Step 3: Cross multiply
    10,653.04x = 15,976.32 × 5,103.52
  4. Step 4: Simplify right side
    10,653.04x = 81,535,468.65
  5. Step 5: Solve for x
    x = 81,535,468.65/10,653.04
  6. Step 6: Final answer
    x = 7,653.73

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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.