Home / 9,927.70-13,700.54-5,735.95

Finding the Fourth Proportional to 9,927.70, 13,700.54 and 5,735.95

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Solution

The fourth proportional to 9,927.70, 13,700.54 and 5,735.95 is: 7,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.70 : 13,700.54 = 5,735.95 : x
  2. Step 2: Convert to fraction form
    9,927.70/13,700.54 = 5,735.95/x
  3. Step 3: Cross multiply
    9,927.70x = 13,700.54 × 5,735.95
  4. Step 4: Simplify right side
    9,927.70x = 78,585,592.50
  5. Step 5: Solve for x
    x = 78,585,592.50/9,927.70
  6. Step 6: Final answer
    x = 7,915.79

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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.