Home / 11,017.10-15,205.98-6,768.14

Finding the Fourth Proportional to 11,017.10, 15,205.98 and 6,768.14

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Solution

The fourth proportional to 11,017.10, 15,205.98 and 6,768.14 is: 9,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.10 : 15,205.98 = 6,768.14 : x
  2. Step 2: Convert to fraction form
    11,017.10/15,205.98 = 6,768.14/x
  3. Step 3: Cross multiply
    11,017.10x = 15,205.98 × 6,768.14
  4. Step 4: Simplify right side
    11,017.10x = 102,916,201.48
  5. Step 5: Solve for x
    x = 102,916,201.48/11,017.10
  6. Step 6: Final answer
    x = 9,341.50

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1.5x scale

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.