Home / 10,780.75-14,877.48-6,065.11

Finding the Fourth Proportional to 10,780.75, 14,877.48 and 6,065.11

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Solution

The fourth proportional to 10,780.75, 14,877.48 and 6,065.11 is: 8,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.75 : 14,877.48 = 6,065.11 : x
  2. Step 2: Convert to fraction form
    10,780.75/14,877.48 = 6,065.11/x
  3. Step 3: Cross multiply
    10,780.75x = 14,877.48 × 6,065.11
  4. Step 4: Simplify right side
    10,780.75x = 90,233,552.72
  5. Step 5: Solve for x
    x = 90,233,552.72/10,780.75
  6. Step 6: Final answer
    x = 8,369.88

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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.