Home / 9,963.09-13,749.60-5,987.61

Finding the Fourth Proportional to 9,963.09, 13,749.60 and 5,987.61

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Solution

The fourth proportional to 9,963.09, 13,749.60 and 5,987.61 is: 8,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.09 : 13,749.60 = 5,987.61 : x
  2. Step 2: Convert to fraction form
    9,963.09/13,749.60 = 5,987.61/x
  3. Step 3: Cross multiply
    9,963.09x = 13,749.60 × 5,987.61
  4. Step 4: Simplify right side
    9,963.09x = 82,327,242.46
  5. Step 5: Solve for x
    x = 82,327,242.46/9,963.09
  6. Step 6: Final answer
    x = 8,263.22

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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.