Home / 10,977.56-15,149.07-5,941.84

Finding the Fourth Proportional to 10,977.56, 15,149.07 and 5,941.84

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Solution

The fourth proportional to 10,977.56, 15,149.07 and 5,941.84 is: 8,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.56 : 15,149.07 = 5,941.84 : x
  2. Step 2: Convert to fraction form
    10,977.56/15,149.07 = 5,941.84/x
  3. Step 3: Cross multiply
    10,977.56x = 15,149.07 × 5,941.84
  4. Step 4: Simplify right side
    10,977.56x = 90,013,320.38
  5. Step 5: Solve for x
    x = 90,013,320.38/10,977.56
  6. Step 6: Final answer
    x = 8,199.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.