Home / 10,775.03-16,157.07-5,509.22

Finding the Fourth Proportional to 10,775.03, 16,157.07 and 5,509.22

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Solution

The fourth proportional to 10,775.03, 16,157.07 and 5,509.22 is: 8,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.03 : 16,157.07 = 5,509.22 : x
  2. Step 2: Convert to fraction form
    10,775.03/16,157.07 = 5,509.22/x
  3. Step 3: Cross multiply
    10,775.03x = 16,157.07 × 5,509.22
  4. Step 4: Simplify right side
    10,775.03x = 89,012,772.40
  5. Step 5: Solve for x
    x = 89,012,772.40/10,775.03
  6. Step 6: Final answer
    x = 8,261.03

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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.