Home / 9,416.94-12,995.46-5,438.73

Finding the Fourth Proportional to 9,416.94, 12,995.46 and 5,438.73

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Solution

The fourth proportional to 9,416.94, 12,995.46 and 5,438.73 is: 7,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,416.94 : 12,995.46 = 5,438.73 : x
  2. Step 2: Convert to fraction form
    9,416.94/12,995.46 = 5,438.73/x
  3. Step 3: Cross multiply
    9,416.94x = 12,995.46 × 5,438.73
  4. Step 4: Simplify right side
    9,416.94x = 70,678,798.17
  5. Step 5: Solve for x
    x = 70,678,798.17/9,416.94
  6. Step 6: Final answer
    x = 7,505.50

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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.