Home / 9,979.59-13,771.66-5,503.33

Finding the Fourth Proportional to 9,979.59, 13,771.66 and 5,503.33

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Solution

The fourth proportional to 9,979.59, 13,771.66 and 5,503.33 is: 7,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.59 : 13,771.66 = 5,503.33 : x
  2. Step 2: Convert to fraction form
    9,979.59/13,771.66 = 5,503.33/x
  3. Step 3: Cross multiply
    9,979.59x = 13,771.66 × 5,503.33
  4. Step 4: Simplify right side
    9,979.59x = 75,789,989.63
  5. Step 5: Solve for x
    x = 75,789,989.63/9,979.59
  6. Step 6: Final answer
    x = 7,594.50

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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.