Home / 9,553.38-14,331.65-2,978.24

Finding the Fourth Proportional to 9,553.38, 14,331.65 and 2,978.24

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Solution

The fourth proportional to 9,553.38, 14,331.65 and 2,978.24 is: 4,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.38 : 14,331.65 = 2,978.24 : x
  2. Step 2: Convert to fraction form
    9,553.38/14,331.65 = 2,978.24/x
  3. Step 3: Cross multiply
    9,553.38x = 14,331.65 × 2,978.24
  4. Step 4: Simplify right side
    9,553.38x = 42,683,006.75
  5. Step 5: Solve for x
    x = 42,683,006.75/9,553.38
  6. Step 6: Final answer
    x = 4,467.84

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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.