Home / 10,117.02-15,173.70-2,719.76

Finding the Fourth Proportional to 10,117.02, 15,173.70 and 2,719.76

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Solution

The fourth proportional to 10,117.02, 15,173.70 and 2,719.76 is: 4,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.02 : 15,173.70 = 2,719.76 : x
  2. Step 2: Convert to fraction form
    10,117.02/15,173.70 = 2,719.76/x
  3. Step 3: Cross multiply
    10,117.02x = 15,173.70 × 2,719.76
  4. Step 4: Simplify right side
    10,117.02x = 41,268,736.24
  5. Step 5: Solve for x
    x = 41,268,736.24/10,117.02
  6. Step 6: Final answer
    x = 4,079.14

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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.