Home / 10,475.53-15,710.22-3,078.23

Finding the Fourth Proportional to 10,475.53, 15,710.22 and 3,078.23

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Solution

The fourth proportional to 10,475.53, 15,710.22 and 3,078.23 is: 4,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.53 : 15,710.22 = 3,078.23 : x
  2. Step 2: Convert to fraction form
    10,475.53/15,710.22 = 3,078.23/x
  3. Step 3: Cross multiply
    10,475.53x = 15,710.22 × 3,078.23
  4. Step 4: Simplify right side
    10,475.53x = 48,359,694.00
  5. Step 5: Solve for x
    x = 48,359,694.00/10,475.53
  6. Step 6: Final answer
    x = 4,616.44

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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.