Home / 10,820.59-14,929.84-6,571.54

Finding the Fourth Proportional to 10,820.59, 14,929.84 and 6,571.54

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Solution

The fourth proportional to 10,820.59, 14,929.84 and 6,571.54 is: 9,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.59 : 14,929.84 = 6,571.54 : x
  2. Step 2: Convert to fraction form
    10,820.59/14,929.84 = 6,571.54/x
  3. Step 3: Cross multiply
    10,820.59x = 14,929.84 × 6,571.54
  4. Step 4: Simplify right side
    10,820.59x = 98,112,040.75
  5. Step 5: Solve for x
    x = 98,112,040.75/10,820.59
  6. Step 6: Final answer
    x = 9,067.16

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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.