Home / 10,430.76-15,646.26-3,505.26

Finding the Fourth Proportional to 10,430.76, 15,646.26 and 3,505.26

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Solution

The fourth proportional to 10,430.76, 15,646.26 and 3,505.26 is: 5,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.76 : 15,646.26 = 3,505.26 : x
  2. Step 2: Convert to fraction form
    10,430.76/15,646.26 = 3,505.26/x
  3. Step 3: Cross multiply
    10,430.76x = 15,646.26 × 3,505.26
  4. Step 4: Simplify right side
    10,430.76x = 54,844,209.33
  5. Step 5: Solve for x
    x = 54,844,209.33/10,430.76
  6. Step 6: Final answer
    x = 5,257.93

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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.