Home / 10,530.32-15,795.76-4,986.26

Finding the Fourth Proportional to 10,530.32, 15,795.76 and 4,986.26

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Solution

The fourth proportional to 10,530.32, 15,795.76 and 4,986.26 is: 7,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.32 : 15,795.76 = 4,986.26 : x
  2. Step 2: Convert to fraction form
    10,530.32/15,795.76 = 4,986.26/x
  3. Step 3: Cross multiply
    10,530.32x = 15,795.76 × 4,986.26
  4. Step 4: Simplify right side
    10,530.32x = 78,761,766.26
  5. Step 5: Solve for x
    x = 78,761,766.26/10,530.32
  6. Step 6: Final answer
    x = 7,479.52

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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.