Home / 10,101.80-15,155.14-3,176.30

Finding the Fourth Proportional to 10,101.80, 15,155.14 and 3,176.30

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Solution

The fourth proportional to 10,101.80, 15,155.14 and 3,176.30 is: 4,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.80 : 15,155.14 = 3,176.30 : x
  2. Step 2: Convert to fraction form
    10,101.80/15,155.14 = 3,176.30/x
  3. Step 3: Cross multiply
    10,101.80x = 15,155.14 × 3,176.30
  4. Step 4: Simplify right side
    10,101.80x = 48,137,271.18
  5. Step 5: Solve for x
    x = 48,137,271.18/10,101.80
  6. Step 6: Final answer
    x = 4,765.22

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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.