Home / 8,549.33-11,780.56-6,307.65

Finding the Fourth Proportional to 8,549.33, 11,780.56 and 6,307.65

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Solution

The fourth proportional to 8,549.33, 11,780.56 and 6,307.65 is: 8,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.33 : 11,780.56 = 6,307.65 : x
  2. Step 2: Convert to fraction form
    8,549.33/11,780.56 = 6,307.65/x
  3. Step 3: Cross multiply
    8,549.33x = 11,780.56 × 6,307.65
  4. Step 4: Simplify right side
    8,549.33x = 74,307,649.28
  5. Step 5: Solve for x
    x = 74,307,649.28/8,549.33
  6. Step 6: Final answer
    x = 8,691.63

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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.