Home / 10,712.93-16,070.02-4,139.15

Finding the Fourth Proportional to 10,712.93, 16,070.02 and 4,139.15

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Solution

The fourth proportional to 10,712.93, 16,070.02 and 4,139.15 is: 6,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.93 : 16,070.02 = 4,139.15 : x
  2. Step 2: Convert to fraction form
    10,712.93/16,070.02 = 4,139.15/x
  3. Step 3: Cross multiply
    10,712.93x = 16,070.02 × 4,139.15
  4. Step 4: Simplify right side
    10,712.93x = 66,516,132.59
  5. Step 5: Solve for x
    x = 66,516,132.59/10,712.93
  6. Step 6: Final answer
    x = 6,208.96

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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.