Home / 9,911.30-13,677.15-5,934.60

Finding the Fourth Proportional to 9,911.30, 13,677.15 and 5,934.60

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Solution

The fourth proportional to 9,911.30, 13,677.15 and 5,934.60 is: 8,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.30 : 13,677.15 = 5,934.60 : x
  2. Step 2: Convert to fraction form
    9,911.30/13,677.15 = 5,934.60/x
  3. Step 3: Cross multiply
    9,911.30x = 13,677.15 × 5,934.60
  4. Step 4: Simplify right side
    9,911.30x = 81,168,436.64
  5. Step 5: Solve for x
    x = 81,168,436.64/9,911.30
  6. Step 6: Final answer
    x = 8,189.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.