Home / 9,867.38-13,623.05-6,336.81

Finding the Fourth Proportional to 9,867.38, 13,623.05 and 6,336.81

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Solution

The fourth proportional to 9,867.38, 13,623.05 and 6,336.81 is: 8,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.38 : 13,623.05 = 6,336.81 : x
  2. Step 2: Convert to fraction form
    9,867.38/13,623.05 = 6,336.81/x
  3. Step 3: Cross multiply
    9,867.38x = 13,623.05 × 6,336.81
  4. Step 4: Simplify right side
    9,867.38x = 86,326,695.31
  5. Step 5: Solve for x
    x = 86,326,695.31/9,867.38
  6. Step 6: Final answer
    x = 8,748.70

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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.