Home / 10,780.16-16,157.28-5,849.60

Finding the Fourth Proportional to 10,780.16, 16,157.28 and 5,849.60

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Solution

The fourth proportional to 10,780.16, 16,157.28 and 5,849.60 is: 8,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.16 : 16,157.28 = 5,849.60 : x
  2. Step 2: Convert to fraction form
    10,780.16/16,157.28 = 5,849.60/x
  3. Step 3: Cross multiply
    10,780.16x = 16,157.28 × 5,849.60
  4. Step 4: Simplify right side
    10,780.16x = 94,513,625.09
  5. Step 5: Solve for x
    x = 94,513,625.09/10,780.16
  6. Step 6: Final answer
    x = 8,767.37

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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.