Home / 10,695.90-16,037.02-5,138.19

Finding the Fourth Proportional to 10,695.90, 16,037.02 and 5,138.19

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Solution

The fourth proportional to 10,695.90, 16,037.02 and 5,138.19 is: 7,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.90 : 16,037.02 = 5,138.19 : x
  2. Step 2: Convert to fraction form
    10,695.90/16,037.02 = 5,138.19/x
  3. Step 3: Cross multiply
    10,695.90x = 16,037.02 × 5,138.19
  4. Step 4: Simplify right side
    10,695.90x = 82,401,202.86
  5. Step 5: Solve for x
    x = 82,401,202.86/10,695.90
  6. Step 6: Final answer
    x = 7,704.00

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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.