Home / 8,095.04-12,139.24-3,931.60

Finding the Fourth Proportional to 8,095.04, 12,139.24 and 3,931.60

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Solution

The fourth proportional to 8,095.04, 12,139.24 and 3,931.60 is: 5,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,095.04 : 12,139.24 = 3,931.60 : x
  2. Step 2: Convert to fraction form
    8,095.04/12,139.24 = 3,931.60/x
  3. Step 3: Cross multiply
    8,095.04x = 12,139.24 × 3,931.60
  4. Step 4: Simplify right side
    8,095.04x = 47,726,635.98
  5. Step 5: Solve for x
    x = 47,726,635.98/8,095.04
  6. Step 6: Final answer
    x = 5,895.79

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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.