Home / 10,551.24-15,829.20-3,977.49

Finding the Fourth Proportional to 10,551.24, 15,829.20 and 3,977.49

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Solution

The fourth proportional to 10,551.24, 15,829.20 and 3,977.49 is: 5,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.24 : 15,829.20 = 3,977.49 : x
  2. Step 2: Convert to fraction form
    10,551.24/15,829.20 = 3,977.49/x
  3. Step 3: Cross multiply
    10,551.24x = 15,829.20 × 3,977.49
  4. Step 4: Simplify right side
    10,551.24x = 62,960,420.48
  5. Step 5: Solve for x
    x = 62,960,420.48/10,551.24
  6. Step 6: Final answer
    x = 5,967.11

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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.