Home / 10,315.14-15,475.77-3,295.60

Finding the Fourth Proportional to 10,315.14, 15,475.77 and 3,295.60

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Solution

The fourth proportional to 10,315.14, 15,475.77 and 3,295.60 is: 4,944.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.14 : 15,475.77 = 3,295.60 : x
  2. Step 2: Convert to fraction form
    10,315.14/15,475.77 = 3,295.60/x
  3. Step 3: Cross multiply
    10,315.14x = 15,475.77 × 3,295.60
  4. Step 4: Simplify right side
    10,315.14x = 51,001,947.61
  5. Step 5: Solve for x
    x = 51,001,947.61/10,315.14
  6. Step 6: Final answer
    x = 4,944.38

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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.