Home / 8,934.67-13,400.18-3,386.10

Finding the Fourth Proportional to 8,934.67, 13,400.18 and 3,386.10

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Solution

The fourth proportional to 8,934.67, 13,400.18 and 3,386.10 is: 5,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.67 : 13,400.18 = 3,386.10 : x
  2. Step 2: Convert to fraction form
    8,934.67/13,400.18 = 3,386.10/x
  3. Step 3: Cross multiply
    8,934.67x = 13,400.18 × 3,386.10
  4. Step 4: Simplify right side
    8,934.67x = 45,374,332.57
  5. Step 5: Solve for x
    x = 45,374,332.57/8,934.67
  6. Step 6: Final answer
    x = 5,078.46

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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.