Home / 10,709.31-16,062.02-2,916.30

Finding the Fourth Proportional to 10,709.31, 16,062.02 and 2,916.30

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Solution

The fourth proportional to 10,709.31, 16,062.02 and 2,916.30 is: 4,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.31 : 16,062.02 = 2,916.30 : x
  2. Step 2: Convert to fraction form
    10,709.31/16,062.02 = 2,916.30/x
  3. Step 3: Cross multiply
    10,709.31x = 16,062.02 × 2,916.30
  4. Step 4: Simplify right side
    10,709.31x = 46,841,588.62
  5. Step 5: Solve for x
    x = 46,841,588.62/10,709.31
  6. Step 6: Final answer
    x = 4,373.91

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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.