Home / 10,977.68-15,149.14-5,941.87

Finding the Fourth Proportional to 10,977.68, 15,149.14 and 5,941.87

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Solution

The fourth proportional to 10,977.68, 15,149.14 and 5,941.87 is: 8,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.68 : 15,149.14 = 5,941.87 : x
  2. Step 2: Convert to fraction form
    10,977.68/15,149.14 = 5,941.87/x
  3. Step 3: Cross multiply
    10,977.68x = 15,149.14 × 5,941.87
  4. Step 4: Simplify right side
    10,977.68x = 90,014,167.76
  5. Step 5: Solve for x
    x = 90,014,167.76/10,977.68
  6. Step 6: Final answer
    x = 8,199.74

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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.