Home / 10,719.99-16,062.39-10,309.95

Finding the Fourth Proportional to 10,719.99, 16,062.39 and 10,309.95

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Solution

The fourth proportional to 10,719.99, 16,062.39 and 10,309.95 is: 15,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.99 : 16,062.39 = 10,309.95 : x
  2. Step 2: Convert to fraction form
    10,719.99/16,062.39 = 10,309.95/x
  3. Step 3: Cross multiply
    10,719.99x = 16,062.39 × 10,309.95
  4. Step 4: Simplify right side
    10,719.99x = 165,602,437.78
  5. Step 5: Solve for x
    x = 165,602,437.78/10,719.99
  6. Step 6: Final answer
    x = 15,448.00

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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.