Home / 11,316.38-15,616.60-6,599.75

Finding the Fourth Proportional to 11,316.38, 15,616.60 and 6,599.75

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Solution

The fourth proportional to 11,316.38, 15,616.60 and 6,599.75 is: 9,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.38 : 15,616.60 = 6,599.75 : x
  2. Step 2: Convert to fraction form
    11,316.38/15,616.60 = 6,599.75/x
  3. Step 3: Cross multiply
    11,316.38x = 15,616.60 × 6,599.75
  4. Step 4: Simplify right side
    11,316.38x = 103,065,561.27
  5. Step 5: Solve for x
    x = 103,065,561.27/11,316.38
  6. Step 6: Final answer
    x = 9,107.65

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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.