Home / 9,193.43-13,760.78-4,970.90

Finding the Fourth Proportional to 9,193.43, 13,760.78 and 4,970.90

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Solution

The fourth proportional to 9,193.43, 13,760.78 and 4,970.90 is: 7,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.43 : 13,760.78 = 4,970.90 : x
  2. Step 2: Convert to fraction form
    9,193.43/13,760.78 = 4,970.90/x
  3. Step 3: Cross multiply
    9,193.43x = 13,760.78 × 4,970.90
  4. Step 4: Simplify right side
    9,193.43x = 68,403,367.64
  5. Step 5: Solve for x
    x = 68,403,367.64/9,193.43
  6. Step 6: Final answer
    x = 7,440.47

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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.