Home / 8,326.38-11,490.48-4,549.64

Finding the Fourth Proportional to 8,326.38, 11,490.48 and 4,549.64

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Solution

The fourth proportional to 8,326.38, 11,490.48 and 4,549.64 is: 6,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.38 : 11,490.48 = 4,549.64 : x
  2. Step 2: Convert to fraction form
    8,326.38/11,490.48 = 4,549.64/x
  3. Step 3: Cross multiply
    8,326.38x = 11,490.48 × 4,549.64
  4. Step 4: Simplify right side
    8,326.38x = 52,277,547.43
  5. Step 5: Solve for x
    x = 52,277,547.43/8,326.38
  6. Step 6: Final answer
    x = 6,278.54

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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.