Home / 9,962.40-13,747.85-5,486.16

Finding the Fourth Proportional to 9,962.40, 13,747.85 and 5,486.16

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Solution

The fourth proportional to 9,962.40, 13,747.85 and 5,486.16 is: 7,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.40 : 13,747.85 = 5,486.16 : x
  2. Step 2: Convert to fraction form
    9,962.40/13,747.85 = 5,486.16/x
  3. Step 3: Cross multiply
    9,962.40x = 13,747.85 × 5,486.16
  4. Step 4: Simplify right side
    9,962.40x = 75,422,877.33
  5. Step 5: Solve for x
    x = 75,422,877.33/9,962.40
  6. Step 6: Final answer
    x = 7,570.75

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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.