Home / 10,951.48-16,428.12-3,160.36

Finding the Fourth Proportional to 10,951.48, 16,428.12 and 3,160.36

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Solution

The fourth proportional to 10,951.48, 16,428.12 and 3,160.36 is: 4,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.48 : 16,428.12 = 3,160.36 : x
  2. Step 2: Convert to fraction form
    10,951.48/16,428.12 = 3,160.36/x
  3. Step 3: Cross multiply
    10,951.48x = 16,428.12 × 3,160.36
  4. Step 4: Simplify right side
    10,951.48x = 51,918,773.32
  5. Step 5: Solve for x
    x = 51,918,773.32/10,951.48
  6. Step 6: Final answer
    x = 4,740.80

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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.