Home / 9,139.74-13,710.66-3,592.35

Finding the Fourth Proportional to 9,139.74, 13,710.66 and 3,592.35

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Solution

The fourth proportional to 9,139.74, 13,710.66 and 3,592.35 is: 5,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.74 : 13,710.66 = 3,592.35 : x
  2. Step 2: Convert to fraction form
    9,139.74/13,710.66 = 3,592.35/x
  3. Step 3: Cross multiply
    9,139.74x = 13,710.66 × 3,592.35
  4. Step 4: Simplify right side
    9,139.74x = 49,253,489.45
  5. Step 5: Solve for x
    x = 49,253,489.45/9,139.74
  6. Step 6: Final answer
    x = 5,388.94

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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.