Home / 9,174.18-12,660.03-4,982.34

Finding the Fourth Proportional to 9,174.18, 12,660.03 and 4,982.34

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Solution

The fourth proportional to 9,174.18, 12,660.03 and 4,982.34 is: 6,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.18 : 12,660.03 = 4,982.34 : x
  2. Step 2: Convert to fraction form
    9,174.18/12,660.03 = 4,982.34/x
  3. Step 3: Cross multiply
    9,174.18x = 12,660.03 × 4,982.34
  4. Step 4: Simplify right side
    9,174.18x = 63,076,573.87
  5. Step 5: Solve for x
    x = 63,076,573.87/9,174.18
  6. Step 6: Final answer
    x = 6,875.45

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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.