Home / 10,966.10-15,134.70-6,187.02

Finding the Fourth Proportional to 10,966.10, 15,134.70 and 6,187.02

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Solution

The fourth proportional to 10,966.10, 15,134.70 and 6,187.02 is: 8,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.10 : 15,134.70 = 6,187.02 : x
  2. Step 2: Convert to fraction form
    10,966.10/15,134.70 = 6,187.02/x
  3. Step 3: Cross multiply
    10,966.10x = 15,134.70 × 6,187.02
  4. Step 4: Simplify right side
    10,966.10x = 93,638,691.59
  5. Step 5: Solve for x
    x = 93,638,691.59/10,966.10
  6. Step 6: Final answer
    x = 8,538.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.