Home / 6,655.36-9,986.70-5,610.52

Finding the Fourth Proportional to 6,655.36, 9,986.70 and 5,610.52

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Solution

The fourth proportional to 6,655.36, 9,986.70 and 5,610.52 is: 8,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.36 : 9,986.70 = 5,610.52 : x
  2. Step 2: Convert to fraction form
    6,655.36/9,986.70 = 5,610.52/x
  3. Step 3: Cross multiply
    6,655.36x = 9,986.70 × 5,610.52
  4. Step 4: Simplify right side
    6,655.36x = 56,030,580.08
  5. Step 5: Solve for x
    x = 56,030,580.08/6,655.36
  6. Step 6: Final answer
    x = 8,418.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.