Home / 9,815.38-13,542.80-6,039.16

Finding the Fourth Proportional to 9,815.38, 13,542.80 and 6,039.16

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Solution

The fourth proportional to 9,815.38, 13,542.80 and 6,039.16 is: 8,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.38 : 13,542.80 = 6,039.16 : x
  2. Step 2: Convert to fraction form
    9,815.38/13,542.80 = 6,039.16/x
  3. Step 3: Cross multiply
    9,815.38x = 13,542.80 × 6,039.16
  4. Step 4: Simplify right side
    9,815.38x = 81,787,151.15
  5. Step 5: Solve for x
    x = 81,787,151.15/9,815.38
  6. Step 6: Final answer
    x = 8,332.55

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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.