Home / 10,176.87-15,266.84-3,603.12

Finding the Fourth Proportional to 10,176.87, 15,266.84 and 3,603.12

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Solution

The fourth proportional to 10,176.87, 15,266.84 and 3,603.12 is: 5,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.87 : 15,266.84 = 3,603.12 : x
  2. Step 2: Convert to fraction form
    10,176.87/15,266.84 = 3,603.12/x
  3. Step 3: Cross multiply
    10,176.87x = 15,266.84 × 3,603.12
  4. Step 4: Simplify right side
    10,176.87x = 55,008,238.53
  5. Step 5: Solve for x
    x = 55,008,238.53/10,176.87
  6. Step 6: Final answer
    x = 5,405.22

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1.5x scale

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.