Home / 10,179.56-15,275.02-5,499.48

Finding the Fourth Proportional to 10,179.56, 15,275.02 and 5,499.48

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Solution

The fourth proportional to 10,179.56, 15,275.02 and 5,499.48 is: 8,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.56 : 15,275.02 = 5,499.48 : x
  2. Step 2: Convert to fraction form
    10,179.56/15,275.02 = 5,499.48/x
  3. Step 3: Cross multiply
    10,179.56x = 15,275.02 × 5,499.48
  4. Step 4: Simplify right side
    10,179.56x = 84,004,666.99
  5. Step 5: Solve for x
    x = 84,004,666.99/10,179.56
  6. Step 6: Final answer
    x = 8,252.29

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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.