Home / 6,117.48-9,177.63-2,221.89

Finding the Fourth Proportional to 6,117.48, 9,177.63 and 2,221.89

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Solution

The fourth proportional to 6,117.48, 9,177.63 and 2,221.89 is: 3,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.48 : 9,177.63 = 2,221.89 : x
  2. Step 2: Convert to fraction form
    6,117.48/9,177.63 = 2,221.89/x
  3. Step 3: Cross multiply
    6,117.48x = 9,177.63 × 2,221.89
  4. Step 4: Simplify right side
    6,117.48x = 20,391,684.32
  5. Step 5: Solve for x
    x = 20,391,684.32/6,117.48
  6. Step 6: Final answer
    x = 3,333.35

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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.