Home / 9,962.07-13,747.35-5,485.80

Finding the Fourth Proportional to 9,962.07, 13,747.35 and 5,485.80

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Solution

The fourth proportional to 9,962.07, 13,747.35 and 5,485.80 is: 7,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.07 : 13,747.35 = 5,485.80 : x
  2. Step 2: Convert to fraction form
    9,962.07/13,747.35 = 5,485.80/x
  3. Step 3: Cross multiply
    9,962.07x = 13,747.35 × 5,485.80
  4. Step 4: Simplify right side
    9,962.07x = 75,415,284.75
  5. Step 5: Solve for x
    x = 75,415,284.75/9,962.07
  6. Step 6: Final answer
    x = 7,570.25

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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.