Home / 8,683.11-13,023.45-3,135.69

Finding the Fourth Proportional to 8,683.11, 13,023.45 and 3,135.69

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Solution

The fourth proportional to 8,683.11, 13,023.45 and 3,135.69 is: 4,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.11 : 13,023.45 = 3,135.69 : x
  2. Step 2: Convert to fraction form
    8,683.11/13,023.45 = 3,135.69/x
  3. Step 3: Cross multiply
    8,683.11x = 13,023.45 × 3,135.69
  4. Step 4: Simplify right side
    8,683.11x = 40,837,501.93
  5. Step 5: Solve for x
    x = 40,837,501.93/8,683.11
  6. Step 6: Final answer
    x = 4,703.10

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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.