Home / 8,117.04-12,167.28-3,737.68

Finding the Fourth Proportional to 8,117.04, 12,167.28 and 3,737.68

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Solution

The fourth proportional to 8,117.04, 12,167.28 and 3,737.68 is: 5,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.04 : 12,167.28 = 3,737.68 : x
  2. Step 2: Convert to fraction form
    8,117.04/12,167.28 = 3,737.68/x
  3. Step 3: Cross multiply
    8,117.04x = 12,167.28 × 3,737.68
  4. Step 4: Simplify right side
    8,117.04x = 45,477,399.11
  5. Step 5: Solve for x
    x = 45,477,399.11/8,117.04
  6. Step 6: Final answer
    x = 5,602.71

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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.