Home / 10,933.40-15,087.52-6,217.38

Finding the Fourth Proportional to 10,933.40, 15,087.52 and 6,217.38

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Solution

The fourth proportional to 10,933.40, 15,087.52 and 6,217.38 is: 8,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.40 : 15,087.52 = 6,217.38 : x
  2. Step 2: Convert to fraction form
    10,933.40/15,087.52 = 6,217.38/x
  3. Step 3: Cross multiply
    10,933.40x = 15,087.52 × 6,217.38
  4. Step 4: Simplify right side
    10,933.40x = 93,804,845.10
  5. Step 5: Solve for x
    x = 93,804,845.10/10,933.40
  6. Step 6: Final answer
    x = 8,579.66

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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.