Home / 9,962.51-13,747.95-5,485.64

Finding the Fourth Proportional to 9,962.51, 13,747.95 and 5,485.64

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Solution

The fourth proportional to 9,962.51, 13,747.95 and 5,485.64 is: 7,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.51 : 13,747.95 = 5,485.64 : x
  2. Step 2: Convert to fraction form
    9,962.51/13,747.95 = 5,485.64/x
  3. Step 3: Cross multiply
    9,962.51x = 13,747.95 × 5,485.64
  4. Step 4: Simplify right side
    9,962.51x = 75,416,235.70
  5. Step 5: Solve for x
    x = 75,416,235.70/9,962.51
  6. Step 6: Final answer
    x = 7,570.01

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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.