Home / 10,858.90-16,275.76-5,003.22

Finding the Fourth Proportional to 10,858.90, 16,275.76 and 5,003.22

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Solution

The fourth proportional to 10,858.90, 16,275.76 and 5,003.22 is: 7,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.90 : 16,275.76 = 5,003.22 : x
  2. Step 2: Convert to fraction form
    10,858.90/16,275.76 = 5,003.22/x
  3. Step 3: Cross multiply
    10,858.90x = 16,275.76 × 5,003.22
  4. Step 4: Simplify right side
    10,858.90x = 81,431,207.95
  5. Step 5: Solve for x
    x = 81,431,207.95/10,858.90
  6. Step 6: Final answer
    x = 7,499.03

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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.