Home / 9,968.55-13,762.32-6,615.91

Finding the Fourth Proportional to 9,968.55, 13,762.32 and 6,615.91

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Solution

The fourth proportional to 9,968.55, 13,762.32 and 6,615.91 is: 9,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.55 : 13,762.32 = 6,615.91 : x
  2. Step 2: Convert to fraction form
    9,968.55/13,762.32 = 6,615.91/x
  3. Step 3: Cross multiply
    9,968.55x = 13,762.32 × 6,615.91
  4. Step 4: Simplify right side
    9,968.55x = 91,050,201.70
  5. Step 5: Solve for x
    x = 91,050,201.70/9,968.55
  6. Step 6: Final answer
    x = 9,133.75

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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.