Home / 9,735.72-13,435.11-5,486.95

Finding the Fourth Proportional to 9,735.72, 13,435.11 and 5,486.95

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Solution

The fourth proportional to 9,735.72, 13,435.11 and 5,486.95 is: 7,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,735.72 : 13,435.11 = 5,486.95 : x
  2. Step 2: Convert to fraction form
    9,735.72/13,435.11 = 5,486.95/x
  3. Step 3: Cross multiply
    9,735.72x = 13,435.11 × 5,486.95
  4. Step 4: Simplify right side
    9,735.72x = 73,717,776.81
  5. Step 5: Solve for x
    x = 73,717,776.81/9,735.72
  6. Step 6: Final answer
    x = 7,571.89

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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.